425666524 has 24 divisors (see below), whose sum is σ = 771593760. Its totient is φ = 205230144.

The previous prime is 425666453. The next prime is 425666531.

425666524 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112162 + ... + 115894.

It is an arithmetic number, because the mean of its divisors is an integer number (32149740).

Almost surely, 2^425666524 is an apocalyptic number.

It is an amenable number.

425666524 is a deficient number, since it is larger than the sum of its proper divisors (345927236).

425666524 is a wasteful number, since it uses less digits than its factorization.

425666524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749 (or 4747 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The square root of 425666524 is about 20631.6873764605. The cubic root of 425666524 is about 752.2401314569.

The spelling of 425666524 in words is "four hundred twenty-five million, six hundred sixty-six thousand, five hundred twenty-four".