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1425423041 = 7203631863
BaseRepresentation
bin101010011110110…
…0011101011000001
310200100011222210222
41110331203223001
510404402014131
6353235432425
750215616210
oct12475435301
93610158728
101425423041
11671683479
12339455715
131994103b3
14d744d077
158521787b
hex54f63ac1

1425423041 has 4 divisors (see below), whose sum is σ = 1629054912. Its totient is φ = 1221791172.

The previous prime is 1425423037. The next prime is 1425423047. The reversal of 1425423041 is 1403245241.

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: 1403245241 = 2395871319.

It is not a de Polignac number, because 1425423041 - 22 = 1425423037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1425423041.

It is not an unprimeable number, because it can be changed into a prime (1425423047) 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, 101815925 + ... + 101815938.

It is an arithmetic number, because the mean of its divisors is an integer number (407263728).

Almost surely, 21425423041 is an apocalyptic number.

It is an amenable number.

1425423041 is a deficient number, since it is larger than the sum of its proper divisors (203631871).

1425423041 is an equidigital number, since it uses as much as digits as its factorization.

1425423041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203631870.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1425423041 is about 37754.7750754789. The cubic root of 1425423041 is about 1125.4199034337.

Adding to 1425423041 its reverse (1403245241), we get a palindrome (2828668282).

The spelling of 1425423041 in words is "one billion, four hundred twenty-five million, four hundred twenty-three thousand, forty-one".

Divisors: 1 7 203631863 1425423041