425405052 has 72 divisors (see below), whose sum is σ = 1092174720. Its totient is φ = 139600800.

The previous prime is 425405051. The next prime is 425405069. The reversal of 425405052 is 250504524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425405051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 755323 + ... + 755885.

Almost surely, 2^425405052 is an apocalyptic number.

It is an amenable number.

425405052 is an abundant number, since it is smaller than the sum of its proper divisors (666769668).

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

425405052 is a wasteful number, since it uses less digits than its factorization.

425405052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 425405052 is about 20625.3497424892. The cubic root of 425405052 is about 752.0860750085.

Adding to 425405052 its reverse (250504524), we get a palindrome (675909576).

The spelling of 425405052 in words is "four hundred twenty-five million, four hundred five thousand, fifty-two".