265512213 has 24 divisors (see below), whose sum is σ = 410560800. Its totient is φ = 164843424.

The previous prime is 265512211. The next prime is 265512227. The reversal of 265512213 is 312215562.

It is a happy number.

265512213 is a `hidden beast` number, since 2 + 655 + 1 + 2 + 2 + 1 + 3 = 666.

It is not a de Polignac number, because 265512213 - 2¹ = 265512211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265512211) 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, 3070 + ... + 23247.

It is an arithmetic number, because the mean of its divisors is an integer number (17106700).

Almost surely, 2^265512213 is an apocalyptic number.

It is an amenable number.

265512213 is a deficient number, since it is larger than the sum of its proper divisors (145048587).

265512213 is a wasteful number, since it uses less digits than its factorization.

265512213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26401 (or 26398 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 265512213 is about 16294.5454984176. The cubic root of 265512213 is about 642.7294021530.

Adding to 265512213 its reverse (312215562), we get a palindrome (577727775).

The spelling of 265512213 in words is "two hundred sixty-five million, five hundred twelve thousand, two hundred thirteen".