662538125 has 10 divisors (see below), whose sum is σ = 827908422. Its totient is φ = 530030000.

The previous prime is 662538119. The next prime is 662538167. The reversal of 662538125 is 521835266.

It can be written as a sum of positive squares in 5 ways, for example, as 395771236 + 266766889 = 19894^2 + 16333^2 .

It is not a de Polignac number, because 662538125 - 2⁶ = 662538061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 529406 + ... + 530655.

Almost surely, 2^662538125 is an apocalyptic number.

It is an amenable number.

662538125 is a deficient number, since it is larger than the sum of its proper divisors (165370297).

662538125 is an equidigital number, since it uses as much as digits as its factorization.

662538125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060081 (or 1060066 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 662538125 is about 25739.8159472829. The cubic root of 662538125 is about 871.7734226888.

The spelling of 662538125 in words is "six hundred sixty-two million, five hundred thirty-eight thousand, one hundred twenty-five".