253300565 has 32 divisors (see below), whose sum is σ = 353341440. Its totient is φ = 170743104.

The previous prime is 253300559. The next prime is 253300577. The reversal of 253300565 is 565003352.

It is a happy number.

It is not a de Polignac number, because 253300565 - 2⁴ = 253300549 is a prime.

It is a super-2 number, since 2×253300565² = 128322352458638450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 894914 + ... + 895196.

It is an arithmetic number, because the mean of its divisors is an integer number (11041920).

Almost surely, 2^253300565 is an apocalyptic number.

It is an amenable number.

253300565 is a deficient number, since it is larger than the sum of its proper divisors (100040875).

253300565 is a wasteful number, since it uses less digits than its factorization.

253300565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 253300565 is about 15915.4190959585. The cubic root of 253300565 is about 632.7207143186.

The spelling of 253300565 in words is "two hundred fifty-three million, three hundred thousand, five hundred sixty-five".