265023213 has 24 divisors (see below), whose sum is σ = 442679328. Its totient is φ = 139791456.

The previous prime is 265023197. The next prime is 265023263. The reversal of 265023213 is 312320562.

It is not a de Polignac number, because 265023213 - 2⁴ = 265023197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265023263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67431 + ... + 71252.

It is an arithmetic number, because the mean of its divisors is an integer number (18444972).

Almost surely, 2^265023213 is an apocalyptic number.

It is an amenable number.

265023213 is a deficient number, since it is larger than the sum of its proper divisors (177656115).

265023213 is a wasteful number, since it uses less digits than its factorization.

265023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138713 (or 138706 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 265023213 is about 16279.5335621141. The cubic root of 265023213 is about 642.3345831229.

Adding to 265023213 its reverse (312320562), we get a palindrome (577343775).

The spelling of 265023213 in words is "two hundred sixty-five million, twenty-three thousand, two hundred thirteen".