253161044 has 12 divisors (see below), whose sum is σ = 443553600. Its totient is φ = 126431448.

The previous prime is 253161043. The next prime is 253161053. The reversal of 253161044 is 440161352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253161043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33404 + ... + 40275.

It is an arithmetic number, because the mean of its divisors is an integer number (36962800).

Almost surely, 2^253161044 is an apocalyptic number.

It is an amenable number.

253161044 is a deficient number, since it is larger than the sum of its proper divisors (190392556).

253161044 is a wasteful number, since it uses less digits than its factorization.

253161044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74542 (or 74540 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 253161044 is about 15911.0352900118. The cubic root of 253161044 is about 632.6045229211.

The spelling of 253161044 in words is "two hundred fifty-three million, one hundred sixty-one thousand, forty-four".