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1425831137 = 1678537911
BaseRepresentation
bin101010011111100…
…0111010011100001
310200100221201121122
41110333013103201
510410003044022
6353252302025
750222236043
oct12477072341
93610851548
101425831137
11671932045
12339611915
13199524083
14d7517a93
1585298742
hex54fc74e1

1425831137 has 4 divisors (see below), whose sum is σ = 1434369216. Its totient is φ = 1417293060.

The previous prime is 1425831119. The next prime is 1425831167. The reversal of 1425831137 is 7311385241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7311385241 = 10137217557.

It is a cyclic number.

It is not a de Polignac number, because 1425831137 - 26 = 1425831073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1425831097 and 1425831106.

It is not an unprimeable number, because it can be changed into a prime (1425831167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4268789 + ... + 4269122.

It is an arithmetic number, because the mean of its divisors is an integer number (358592304).

Almost surely, 21425831137 is an apocalyptic number.

It is an amenable number.

1425831137 is a deficient number, since it is larger than the sum of its proper divisors (8538079).

1425831137 is an equidigital number, since it uses as much as digits as its factorization.

1425831137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8538078.

The product of its digits is 20160, while the sum is 35.

The square root of 1425831137 is about 37760.1792501042. The cubic root of 1425831137 is about 1125.5272950698.

The spelling of 1425831137 in words is "one billion, four hundred twenty-five million, eight hundred thirty-one thousand, one hundred thirty-seven".

Divisors: 1 167 8537911 1425831137