99521301 has 16 divisors (see below), whose sum is σ = 149751360. Its totient is φ = 58235520.

The previous prime is 99521291. The next prime is 99521327. The reversal of 99521301 is 10312599.

It is not a de Polignac number, because 99521301 - 2⁵ = 99521269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99520301) 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, 51040 + ... + 52953.

It is an arithmetic number, because the mean of its divisors is an integer number (9359460).

Almost surely, 2^99521301 is an apocalyptic number.

It is an amenable number.

99521301 is a deficient number, since it is larger than the sum of its proper divisors (50230059).

99521301 is a wasteful number, since it uses less digits than its factorization.

99521301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104036.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 99521301 is about 9976.0363371431. The cubic root of 99521301 is about 463.4170570830.

The spelling of 99521301 in words is "ninety-nine million, five hundred twenty-one thousand, three hundred one".