253163995 has 8 divisors (see below), whose sum is σ = 347196384. Its totient is φ = 173598144.

The previous prime is 253163947. The next prime is 253164001. The reversal of 253163995 is 599361352.

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

It is a cyclic number.

It is not a de Polignac number, because 253163995 - 2¹³ = 253155803 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3616594 + ... + 3616663.

It is an arithmetic number, because the mean of its divisors is an integer number (43399548).

Almost surely, 2^253163995 is an apocalyptic number.

253163995 is a deficient number, since it is larger than the sum of its proper divisors (94032389).

253163995 is an equidigital number, since it uses as much as digits as its factorization.

253163995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7233269.

The product of its digits is 218700, while the sum is 43.

The square root of 253163995 is about 15911.1280241220. The cubic root of 253163995 is about 632.6069809200.

The spelling of 253163995 in words is "two hundred fifty-three million, one hundred sixty-three thousand, nine hundred ninety-five".