641525932 has 12 divisors (see below), whose sum is σ = 1122992640. Its totient is φ = 320670896.

The previous prime is 641525891. The next prime is 641525947. The reversal of 641525932 is 239525146.

641525932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 641525891 and 641525900.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5932 + ... + 36307.

It is an arithmetic number, because the mean of its divisors is an integer number (93582720).

Almost surely, 2^641525932 is an apocalyptic number.

It is an amenable number.

641525932 is a deficient number, since it is larger than the sum of its proper divisors (481466708).

641525932 is a wasteful number, since it uses less digits than its factorization.

641525932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46040 (or 46038 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 641525932 is about 25328.3622052434. The cubic root of 641525932 is about 862.4582325780.

The spelling of 641525932 in words is "six hundred forty-one million, five hundred twenty-five thousand, nine hundred thirty-two".