253853042 has 4 divisors (see below), whose sum is σ = 380779566. Its totient is φ = 126926520.

The previous prime is 253853023. The next prime is 253853051. The reversal of 253853042 is 240358352.

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., 198781801 + 55071241 = 14099^2 + 7421^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63463259 + ... + 63463262.

Almost surely, 2^253853042 is an apocalyptic number.

253853042 is a deficient number, since it is larger than the sum of its proper divisors (126926524).

253853042 is a wasteful number, since it uses less digits than its factorization.

253853042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126926523.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 253853042 is about 15932.7663009284. The cubic root of 253853042 is about 633.1803919401.

The spelling of 253853042 in words is "two hundred fifty-three million, eight hundred fifty-three thousand, forty-two".