253561795 has 16 divisors (see below), whose sum is σ = 310115520. Its totient is φ = 198993024.

The previous prime is 253561733. The next prime is 253561807. The reversal of 253561795 is 597165352.

It is a cyclic number.

It is not a de Polignac number, because 253561795 - 2⁷ = 253561667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53877 + ... + 58393.

It is an arithmetic number, because the mean of its divisors is an integer number (19382220).

Almost surely, 2^253561795 is an apocalyptic number.

253561795 is a deficient number, since it is larger than the sum of its proper divisors (56553725).

253561795 is a wasteful number, since it uses less digits than its factorization.

253561795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4734.

The product of its digits is 283500, while the sum is 43.

The square root of 253561795 is about 15923.6238023887. The cubic root of 253561795 is about 632.9381488182.

The spelling of 253561795 in words is "two hundred fifty-three million, five hundred sixty-one thousand, seven hundred ninety-five".