425865972 has 48 divisors (see below), whose sum is σ = 1172283392. Its totient is φ = 117750240.

The previous prime is 425865917. The next prime is 425865977. The reversal of 425865972 is 279568524.

It is a super-2 number, since 2×425865972² = 362723652215009568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425865977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79168 + ... + 84375.

Almost surely, 2^425865972 is an apocalyptic number.

425865972 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

425865972 is an abundant number, since it is smaller than the sum of its proper divisors (746417420).

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

425865972 is a wasteful number, since it uses less digits than its factorization.

425865972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163588 (or 163586 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 425865972 is about 20636.5203462212. The cubic root of 425865972 is about 752.3576016317.

The spelling of 425865972 in words is "four hundred twenty-five million, eight hundred sixty-five thousand, nine hundred seventy-two".