253140632 has 16 divisors (see below), whose sum is σ = 475675200. Its totient is φ = 126293920.

The previous prime is 253140611. The next prime is 253140647. The reversal of 253140632 is 236041352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30632 + ... + 38007.

It is an arithmetic number, because the mean of its divisors is an integer number (29729700).

Almost surely, 2^253140632 is an apocalyptic number.

It is an amenable number.

253140632 is a deficient number, since it is larger than the sum of its proper divisors (222534568).

253140632 is a wasteful number, since it uses less digits than its factorization.

253140632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69106 (or 69102 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 253140632 is about 15910.3938354775. The cubic root of 253140632 is about 632.5875204756.

Adding to 253140632 its reverse (236041352), we get a palindrome (489181984).

The spelling of 253140632 in words is "two hundred fifty-three million, one hundred forty thousand, six hundred thirty-two".