264999913 has 4 divisors (see below), whose sum is σ = 265061700. Its totient is φ = 264938128.

The previous prime is 264999907. The next prime is 264999923. The reversal of 264999913 is 319999462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29899024 + 235100889 = 5468^2 + 15333^2 .

It is a cyclic number.

It is not a de Polignac number, because 264999913 - 2⁵ = 264999881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264999923) 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, 23938 + ... + 33211.

It is an arithmetic number, because the mean of its divisors is an integer number (66265425).

Almost surely, 2^264999913 is an apocalyptic number.

It is an amenable number.

264999913 is a deficient number, since it is larger than the sum of its proper divisors (61787).

264999913 is an equidigital number, since it uses as much as digits as its factorization.

264999913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61786.

The product of its digits is 944784, while the sum is 52.

The square root of 264999913 is about 16278.8179239157. The cubic root of 264999913 is about 642.3157585651.

The spelling of 264999913 in words is "two hundred sixty-four million, nine hundred ninety-nine thousand, nine hundred thirteen".