253900995 has 8 divisors (see below), whose sum is σ = 406241616. Its totient is φ = 135413856.

The previous prime is 253900981. The next prime is 253901017. The reversal of 253900995 is 599009352.

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

It is not a de Polignac number, because 253900995 - 2¹¹ = 253898947 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8463352 + ... + 8463381.

It is an arithmetic number, because the mean of its divisors is an integer number (50780202).

Almost surely, 2^253900995 is an apocalyptic number.

253900995 is a deficient number, since it is larger than the sum of its proper divisors (152340621).

253900995 is a wasteful number, since it uses less digits than its factorization.

253900995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16926741.

The product of its (nonzero) digits is 109350, while the sum is 42.

The square root of 253900995 is about 15934.2710846778. The cubic root of 253900995 is about 633.2202588220.

The spelling of 253900995 in words is "two hundred fifty-three million, nine hundred thousand, nine hundred ninety-five".