99201365 has 4 divisors (see below), whose sum is σ = 119041644. Its totient is φ = 79361088.

The previous prime is 99201359. The next prime is 99201367. The reversal of 99201365 is 56310299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56310299 = 1063 ⋅52973.

It can be written as a sum of positive squares in 2 ways, for example, as 37625956 + 61575409 = 6134^2 + 7847^2 .

It is a cyclic number.

It is not a de Polignac number, because 99201365 - 2²⁴ = 82424149 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 (99201367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9920132 + ... + 9920141.

It is an arithmetic number, because the mean of its divisors is an integer number (29760411).

Almost surely, 2^99201365 is an apocalyptic number.

It is an amenable number.

99201365 is a deficient number, since it is larger than the sum of its proper divisors (19840279).

99201365 is a wasteful number, since it uses less digits than its factorization.

99201365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19840278.

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

The square root of 99201365 is about 9959.9882028043. The cubic root of 99201365 is about 462.9199341576.

The spelling of 99201365 in words is "ninety-nine million, two hundred one thousand, three hundred sixty-five".