253615332 has 12 divisors (see below), whose sum is σ = 591769136. Its totient is φ = 84538440.

The previous prime is 253615331. The next prime is 253615361. The reversal of 253615332 is 233516352.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 253615332.

It is not an unprimeable number, because it can be changed into a prime (253615331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10567294 + ... + 10567317.

Almost surely, 2^253615332 is an apocalyptic number.

It is an amenable number.

253615332 is an abundant number, since it is smaller than the sum of its proper divisors (338153804).

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

253615332 is a wasteful number, since it uses less digits than its factorization.

253615332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21134618 (or 21134616 counting only the distinct ones).

The product of its digits is 16200, while the sum is 30.

The square root of 253615332 is about 15925.3047694542. The cubic root of 253615332 is about 632.9826918392.

The spelling of 253615332 in words is "two hundred fifty-three million, six hundred fifteen thousand, three hundred thirty-two".