99315261 has 16 divisors (see below), whose sum is σ = 154878400. Its totient is φ = 62725104.

The previous prime is 99315253. The next prime is 99315263. The reversal of 99315261 is 16251399.

It is not a de Polignac number, because 99315261 - 2³ = 99315253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99315263) 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, 96286 + ... + 97311.

It is an arithmetic number, because the mean of its divisors is an integer number (9679900).

Almost surely, 2^99315261 is an apocalyptic number.

It is an amenable number.

99315261 is a deficient number, since it is larger than the sum of its proper divisors (55563139).

99315261 is a wasteful number, since it uses less digits than its factorization.

99315261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193625 (or 193619 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 99315261 is about 9965.7042400424. The cubic root of 99315261 is about 463.0970303881.

The spelling of 99315261 in words is "ninety-nine million, three hundred fifteen thousand, two hundred sixty-one".