641362525 has 24 divisors (see below), whose sum is σ = 818679744. Its totient is φ = 498220800.

The previous prime is 641362493. The next prime is 641362531. The reversal of 641362525 is 525263146.

It is not a de Polignac number, because 641362525 - 2⁵ = 641362493 is a prime.

It is a super-2 number, since 2×641362525² = 822691776948751250, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 116229 + ... + 121621.

It is an arithmetic number, because the mean of its divisors is an integer number (34111656).

Almost surely, 2^641362525 is an apocalyptic number.

It is an amenable number.

641362525 is a deficient number, since it is larger than the sum of its proper divisors (177317219).

641362525 is a wasteful number, since it uses less digits than its factorization.

641362525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541 (or 5536 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 641362525 is about 25325.1362286563. The cubic root of 641362525 is about 862.3849990198.

The spelling of 641362525 in words is "six hundred forty-one million, three hundred sixty-two thousand, five hundred twenty-five".