100152521 has 12 divisors (see below), whose sum is σ = 117100800. Its totient is φ = 85405320.

The previous prime is 100152517. The next prime is 100152587. The reversal of 100152521 is 125251001.

It is not a de Polignac number, because 100152521 - 2² = 100152517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100152521.

It is not an unprimeable number, because it can be changed into a prime (100152121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4616 + ... + 14886.

It is an arithmetic number, because the mean of its divisors is an integer number (9758400).

Almost surely, 2^100152521 is an apocalyptic number.

It is an amenable number.

100152521 is a deficient number, since it is larger than the sum of its proper divisors (16948279).

100152521 is a wasteful number, since it uses less digits than its factorization.

100152521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10484 (or 10477 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 100152521 is about 10007.6231443835. The cubic root of 100152521 is about 464.3947434133.

The spelling of 100152521 in words is "one hundred million, one hundred fifty-two thousand, five hundred twenty-one".