265413253 has 12 divisors (see below), whose sum is σ = 310826700. Its totient is φ = 225964032.

The previous prime is 265413233. The next prime is 265413259. The reversal of 265413253 is 352314562.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51581124 + 213832129 = 7182^2 + 14623^2 .

It is not a de Polignac number, because 265413253 - 2¹⁷ = 265282181 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 (265413259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10876 + ... + 25477.

It is an arithmetic number, because the mean of its divisors is an integer number (25902225).

Almost surely, 2^265413253 is an apocalyptic number.

It is an amenable number.

265413253 is a deficient number, since it is larger than the sum of its proper divisors (45413447).

265413253 is a wasteful number, since it uses less digits than its factorization.

265413253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36516 (or 36509 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 265413253 is about 16291.5086164542. The cubic root of 265413253 is about 642.6495409109.

The spelling of 265413253 in words is "two hundred sixty-five million, four hundred thirteen thousand, two hundred fifty-three".