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1425137 = 7203591
BaseRepresentation
bin101011011111011110001
32200101220212
411123323301
5331101022
650313505
715053630
oct5337361
92611825
101425137
118937aa
12588895
133ab89c
14291517
151d23e2
hex15bef1

1425137 has 4 divisors (see below), whose sum is σ = 1628736. Its totient is φ = 1221540.

The previous prime is 1425121. The next prime is 1425139. The reversal of 1425137 is 7315241.

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: 7315241 = 8398719.

It is a cyclic number.

It is not a de Polignac number, because 1425137 - 24 = 1425121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101789 + ... + 101802.

It is an arithmetic number, because the mean of its divisors is an integer number (407184).

21425137 is an apocalyptic number.

It is an amenable number.

1425137 is a deficient number, since it is larger than the sum of its proper divisors (203599).

1425137 is an equidigital number, since it uses as much as digits as its factorization.

1425137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203598.

The product of its digits is 840, while the sum is 23.

The square root of 1425137 is about 1193.7910202376. The cubic root of 1425137 is about 112.5344618703.

The spelling of 1425137 in words is "one million, four hundred twenty-five thousand, one hundred thirty-seven".

Divisors: 1 7 203591 1425137