213365265 has 16 divisors (see below), whose sum is σ = 343648896. Its totient is φ = 113040000.

The previous prime is 213365263. The next prime is 213365287. The reversal of 213365265 is 562563312.

213365265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213365265 - 2¹ = 213365263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213365261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44836 + ... + 49365.

It is an arithmetic number, because the mean of its divisors is an integer number (21478056).

Almost surely, 2^213365265 is an apocalyptic number.

It is an amenable number.

213365265 is a deficient number, since it is larger than the sum of its proper divisors (130283631).

213365265 is a wasteful number, since it uses less digits than its factorization.

213365265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94360.

The product of its digits is 32400, while the sum is 33.

The square root of 213365265 is about 14607.0279317868. The cubic root of 213365265 is about 597.5504436209.

The spelling of 213365265 in words is "two hundred thirteen million, three hundred sixty-five thousand, two hundred sixty-five".