265385253 has 32 divisors (see below), whose sum is σ = 411586560. Its totient is φ = 148973760.

The previous prime is 265385227. The next prime is 265385261. The reversal of 265385253 is 352583562.

It is not a de Polignac number, because 265385253 - 2¹² = 265381157 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 (265385213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575443 + ... + 575903.

It is an arithmetic number, because the mean of its divisors is an integer number (12862080).

Almost surely, 2^265385253 is an apocalyptic number.

It is an amenable number.

265385253 is a deficient number, since it is larger than the sum of its proper divisors (146201307).

265385253 is a wasteful number, since it uses less digits than its factorization.

265385253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897.

The product of its digits is 216000, while the sum is 39.

The square root of 265385253 is about 16290.6492504136. The cubic root of 265385253 is about 642.6269411603.

The spelling of 265385253 in words is "two hundred sixty-five million, three hundred eighty-five thousand, two hundred fifty-three".