99261307 has 4 divisors (see below), whose sum is σ = 103577040. Its totient is φ = 94945576.

The previous prime is 99261289. The next prime is 99261311. The reversal of 99261307 is 70316299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70316299 = 67 ⋅1049497.

It is a cyclic number.

It is not a de Polignac number, because 99261307 - 2¹⁵ = 99228539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99261007) 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, 2157832 + ... + 2157877.

It is an arithmetic number, because the mean of its divisors is an integer number (25894260).

Almost surely, 2^99261307 is an apocalyptic number.

99261307 is a deficient number, since it is larger than the sum of its proper divisors (4315733).

99261307 is a wasteful number, since it uses less digits than its factorization.

99261307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315732.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 99261307 is about 9962.9968884869. The cubic root of 99261307 is about 463.0131545134.

The spelling of 99261307 in words is "ninety-nine million, two hundred sixty-one thousand, three hundred seven".