253515342 has 32 divisors (see below), whose sum is σ = 525837312. Its totient is φ = 81415584.

The previous prime is 253515287. The next prime is 253515391. The reversal of 253515342 is 243515352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17323 + ... + 28409.

It is an arithmetic number, because the mean of its divisors is an integer number (16432416).

Almost surely, 2^253515342 is an apocalyptic number.

253515342 is an abundant number, since it is smaller than the sum of its proper divisors (272321970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253515342 is a wasteful number, since it uses less digits than its factorization.

253515342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11232.

The product of its digits is 18000, while the sum is 30.

The square root of 253515342 is about 15922.1651165914. The cubic root of 253515342 is about 632.8994946360.

The spelling of 253515342 in words is "two hundred fifty-three million, five hundred fifteen thousand, three hundred forty-two".