425057256 has 96 divisors (see below), whose sum is σ = 1312725960. Its totient is φ = 123088896.

The previous prime is 425057249. The next prime is 425057287. The reversal of 425057256 is 652750524.

It can be written as a sum of positive squares in 4 ways, for example, as 418857156 + 6200100 = 20466^2 + 2490^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 425057256.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2556 + ... + 29268.

Almost surely, 2^425057256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425057256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656362980).

425057256 is an abundant number, since it is smaller than the sum of its proper divisors (887668704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425057256 is a wasteful number, since it uses less digits than its factorization.

425057256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26755 (or 26748 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 425057256 is about 20616.9167432960. The cubic root of 425057256 is about 751.8810595424.

The spelling of 425057256 in words is "four hundred twenty-five million, fifty-seven thousand, two hundred fifty-six".