265205213 has 16 divisors (see below), whose sum is σ = 327484416. Its totient is φ = 209139840.

The previous prime is 265205201. The next prime is 265205231. The reversal of 265205213 is 312502562.

It is not a de Polignac number, because 265205213 - 2²⁰ = 264156637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265205263) 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, 23828 + ... + 33138.

It is an arithmetic number, because the mean of its divisors is an integer number (20467776).

Almost surely, 2^265205213 is an apocalyptic number.

It is an amenable number.

265205213 is a deficient number, since it is larger than the sum of its proper divisors (62279203).

265205213 is a wasteful number, since it uses less digits than its factorization.

265205213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9644.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 265205213 is about 16285.1224435065. The cubic root of 265205213 is about 642.4815867787.

Adding to 265205213 its reverse (312502562), we get a palindrome (577707775).

The spelling of 265205213 in words is "two hundred sixty-five million, two hundred five thousand, two hundred thirteen".