253892794 has 4 divisors (see below), whose sum is σ = 380839194. Its totient is φ = 126946396.

The previous prime is 253892783. The next prime is 253892809. The reversal of 253892794 is 497298352.

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

It can be written as a sum of positive squares in only one way, i.e., 157126225 + 96766569 = 12535^2 + 9837^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 63473197 + ... + 63473200.

Almost surely, 2^253892794 is an apocalyptic number.

253892794 is a deficient number, since it is larger than the sum of its proper divisors (126946400).

253892794 is a wasteful number, since it uses less digits than its factorization.

253892794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126946399.

The product of its digits is 1088640, while the sum is 49.

The square root of 253892794 is about 15934.0137441889. The cubic root of 253892794 is about 633.2134410789.

The spelling of 253892794 in words is "two hundred fifty-three million, eight hundred ninety-two thousand, seven hundred ninety-four".