253112894 has 4 divisors (see below), whose sum is σ = 379669344. Its totient is φ = 126556446.

The previous prime is 253112879. The next prime is 253112903. The reversal of 253112894 is 498211352.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×253112894² = 128132274218110472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63278222 + ... + 63278225.

It is an arithmetic number, because the mean of its divisors is an integer number (94917336).

Almost surely, 2^253112894 is an apocalyptic number.

253112894 is a deficient number, since it is larger than the sum of its proper divisors (126556450).

253112894 is a wasteful number, since it uses less digits than its factorization.

253112894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126556449.

The product of its digits is 17280, while the sum is 35.

The square root of 253112894 is about 15909.5221172730. The cubic root of 253112894 is about 632.5644142764.

The spelling of 253112894 in words is "two hundred fifty-three million, one hundred twelve thousand, eight hundred ninety-four".