99999265 has 8 divisors (see below), whose sum is σ = 120070440. Its totient is φ = 79951872.

The previous prime is 99999259. The next prime is 99999307. The reversal of 99999265 is 56299999.

It can be written as a sum of positive squares in 4 ways, for example, as 32216976 + 67782289 = 5676^2 + 8233^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99999265 - 2³ = 99999257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5217 + ... + 15073.

It is an arithmetic number, because the mean of its divisors is an integer number (15008805).

Almost surely, 2^99999265 is an apocalyptic number.

It is an amenable number.

99999265 is a deficient number, since it is larger than the sum of its proper divisors (20071175).

99999265 is a wasteful number, since it uses less digits than its factorization.

99999265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11891.

The product of its digits is 3542940, while the sum is 58.

The square root of 99999265 is about 9999.9632499325. The cubic root of 99999265 is about 464.1577461692.

The spelling of 99999265 in words is "ninety-nine million, nine hundred ninety-nine thousand, two hundred sixty-five".