265515013 has 8 divisors (see below), whose sum is σ = 277344000. Its totient is φ = 253709808.

The previous prime is 265514989. The next prime is 265515049. The reversal of 265515013 is 310515562.

265515013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 265515013 - 2¹³ = 265506821 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 (265515053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19188 + ... + 29986.

It is an arithmetic number, because the mean of its divisors is an integer number (34668000).

Almost surely, 2^265515013 is an apocalyptic number.

265515013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

265515013 is a deficient number, since it is larger than the sum of its proper divisors (11828987).

265515013 is a wasteful number, since it uses less digits than its factorization.

265515013 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 (nonzero) digits is 4500, while the sum is 28.

The square root of 265515013 is about 16294.6314165126. The cubic root of 265515013 is about 642.7316614791.

The spelling of 265515013 in words is "two hundred sixty-five million, five hundred fifteen thousand, thirteen".