425663625 has 16 divisors (see below), whose sum is σ = 708304896. Its totient is φ = 227020400.

The previous prime is 425663603. The next prime is 425663627. The reversal of 425663625 is 526366524.

It is not a de Polignac number, because 425663625 - 2²⁰ = 424615049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425663627) 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, 567177 + ... + 567926.

It is an arithmetic number, because the mean of its divisors is an integer number (44269056).

Almost surely, 2^425663625 is an apocalyptic number.

It is an amenable number.

425663625 is a deficient number, since it is larger than the sum of its proper divisors (282641271).

425663625 is a wasteful number, since it uses less digits than its factorization.

425663625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135121 (or 1135111 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The square root of 425663625 is about 20631.6171203326. The cubic root of 425663625 is about 752.2384237436.

The spelling of 425663625 in words is "four hundred twenty-five million, six hundred sixty-three thousand, six hundred twenty-five".