100525404 has 24 divisors (see below), whose sum is σ = 268067968. Its totient is φ = 28721520.

The previous prime is 100525391. The next prime is 100525423. The reversal of 100525404 is 404525001.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 598282 + ... + 598449.

Almost surely, 2^100525404 is an apocalyptic number.

100525404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

100525404 is an abundant number, since it is smaller than the sum of its proper divisors (167542564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100525404 is a wasteful number, since it uses less digits than its factorization.

100525404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196745 (or 1196743 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 100525404 is about 10026.2357841814. The cubic root of 100525404 is about 464.9703669404.

The spelling of 100525404 in words is "one hundred million, five hundred twenty-five thousand, four hundred four".