641250004 has 24 divisors (see below), whose sum is σ = 1186649856. Its totient is φ = 302712000.

The previous prime is 641249993. The next prime is 641250017. The reversal of 641250004 is 400052146.

It is a super-2 number, since 2×641250004² = 822403135260000032, which contains 22 as substring.

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, 57982 + ... + 68149.

It is an arithmetic number, because the mean of its divisors is an integer number (49443744).

Almost surely, 2^641250004 is an apocalyptic number.

It is an amenable number.

641250004 is a deficient number, since it is larger than the sum of its proper divisors (545399852).

641250004 is a wasteful number, since it uses less digits than its factorization.

641250004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126207 (or 126205 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 641250004 is about 25322.9146031810. The cubic root of 641250004 is about 862.3345636348.

The spelling of 641250004 in words is "six hundred forty-one million, two hundred fifty thousand, four".