99360521 has 16 divisors (see below), whose sum is σ = 109867968. Its totient is φ = 89294400.

The previous prime is 99360517. The next prime is 99360539. The reversal of 99360521 is 12506399.

It is not a de Polignac number, because 99360521 - 2² = 99360517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99360511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84266 + ... + 85436.

It is an arithmetic number, because the mean of its divisors is an integer number (6866748).

Almost surely, 2^99360521 is an apocalyptic number.

It is an amenable number.

99360521 is a deficient number, since it is larger than the sum of its proper divisors (10507447).

99360521 is a wasteful number, since it uses less digits than its factorization.

99360521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 99360521 is about 9967.9747692297. The cubic root of 99360521 is about 463.1673673073.

The spelling of 99360521 in words is "ninety-nine million, three hundred sixty thousand, five hundred twenty-one".