253811198 has 16 divisors (see below), whose sum is σ = 402141696. Its totient is φ = 119954520.

The previous prime is 253811191. The next prime is 253811203. The reversal of 253811198 is 891118352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253811191) 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, 44936 + ... + 50267.

It is an arithmetic number, because the mean of its divisors is an integer number (25133856).

Almost surely, 2^253811198 is an apocalyptic number.

253811198 is a deficient number, since it is larger than the sum of its proper divisors (148330498).

253811198 is a wasteful number, since it uses less digits than its factorization.

253811198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95279.

The product of its digits is 17280, while the sum is 38.

The square root of 253811198 is about 15931.4531038446. The cubic root of 253811198 is about 633.1455998205.

The spelling of 253811198 in words is "two hundred fifty-three million, eight hundred eleven thousand, one hundred ninety-eight".