253852791 has 8 divisors (see below), whose sum is σ = 338544000. Its totient is φ = 169198392.

The previous prime is 253852763. The next prime is 253852843. The reversal of 253852791 is 197258352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253852791 - 2¹⁵ = 253820023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253852591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22296 + ... + 31698.

It is an arithmetic number, because the mean of its divisors is an integer number (42318000).

Almost surely, 2^253852791 is an apocalyptic number.

253852791 is a deficient number, since it is larger than the sum of its proper divisors (84691209).

253852791 is an equidigital number, since it uses as much as digits as its factorization.

253852791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18405.

The product of its digits is 151200, while the sum is 42.

The square root of 253852791 is about 15932.7584240771. The cubic root of 253852791 is about 633.1801832520.

The spelling of 253852791 in words is "two hundred fifty-three million, eight hundred fifty-two thousand, seven hundred ninety-one".