425565524 has 24 divisors (see below), whose sum is σ = 758784768. Its totient is φ = 208787040.

The previous prime is 425565523. The next prime is 425565533.

It is a happy number.

425565524 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×425565524² = 362212030434789152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425565523) 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, 111089 + ... + 114855.

It is an arithmetic number, because the mean of its divisors is an integer number (31616032).

Almost surely, 2^425565524 is an apocalyptic number.

It is an amenable number.

425565524 is a deficient number, since it is larger than the sum of its proper divisors (333219244).

425565524 is a wasteful number, since it uses less digits than its factorization.

425565524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295 (or 4293 counting only the distinct ones).

The product of its digits is 240000, while the sum is 38.

The square root of 425565524 is about 20629.2395400315. The cubic root of 425565524 is about 752.1806308393.

The spelling of 425565524 in words is "four hundred twenty-five million, five hundred sixty-five thousand, five hundred twenty-four".