253796265 has 24 divisors (see below), whose sum is σ = 440493768. Its totient is φ = 135179520.

The previous prime is 253796233. The next prime is 253796299. The reversal of 253796265 is 562697352.

253796265 is a `hidden beast` number, since 2 + 537 + 96 + 26 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 46090521 + 207705744 = 6789^2 + 14412^2 .

It is not a de Polignac number, because 253796265 - 2⁵ = 253796233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 253796265.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35275 + ... + 41855.

It is an arithmetic number, because the mean of its divisors is an integer number (18353907).

Almost surely, 2^253796265 is an apocalyptic number.

It is an amenable number.

253796265 is a deficient number, since it is larger than the sum of its proper divisors (186697503).

253796265 is a wasteful number, since it uses less digits than its factorization.

253796265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7449 (or 7446 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 253796265 is about 15930.9844328591. The cubic root of 253796265 is about 633.1331825214.

The spelling of 253796265 in words is "two hundred fifty-three million, seven hundred ninety-six thousand, two hundred sixty-five".