253405112 has 8 divisors (see below), whose sum is σ = 475134600. Its totient is φ = 126702552.

The previous prime is 253405073. The next prime is 253405121. The reversal of 253405112 is 211504352.

It is a tau number, because it is divible by the number of its divisors (8).

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, 15837812 + ... + 15837827.

It is an arithmetic number, because the mean of its divisors is an integer number (59391825).

Almost surely, 2^253405112 is an apocalyptic number.

It is an amenable number.

253405112 is a deficient number, since it is larger than the sum of its proper divisors (221729488).

253405112 is a wasteful number, since it uses less digits than its factorization.

253405112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31675645 (or 31675641 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 253405112 is about 15918.7032135159. The cubic root of 253405112 is about 632.8077518319.

Adding to 253405112 its reverse (211504352), we get a palindrome (464909464).

The spelling of 253405112 in words is "two hundred fifty-three million, four hundred five thousand, one hundred twelve".