425368257 has 8 divisors (see below), whose sum is σ = 597008160. Its totient is φ = 268653600.

The previous prime is 425368247. The next prime is 425368297. The reversal of 425368257 is 752863524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 425368257 - 2⁷ = 425368129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425368247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3731244 + ... + 3731357.

It is an arithmetic number, because the mean of its divisors is an integer number (74626020).

Almost surely, 2^425368257 is an apocalyptic number.

It is an amenable number.

425368257 is a deficient number, since it is larger than the sum of its proper divisors (171639903).

425368257 is a wasteful number, since it uses less digits than its factorization.

425368257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7462623.

The product of its digits is 403200, while the sum is 42.

The square root of 425368257 is about 20624.4577383261. The cubic root of 425368257 is about 752.0643907299.

The spelling of 425368257 in words is "four hundred twenty-five million, three hundred sixty-eight thousand, two hundred fifty-seven".