253185252 has 12 divisors (see below), whose sum is σ = 590765616. Its totient is φ = 84395080.

The previous prime is 253185217. The next prime is 253185259. The reversal of 253185252 is 252581352.

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

It is not an unprimeable number, because it can be changed into a prime (253185259) 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, 10549374 + ... + 10549397.

It is an arithmetic number, because the mean of its divisors is an integer number (49230468).

Almost surely, 2^253185252 is an apocalyptic number.

It is an amenable number.

253185252 is an abundant number, since it is smaller than the sum of its proper divisors (337580364).

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

253185252 is a wasteful number, since it uses less digits than its factorization.

253185252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21098778 (or 21098776 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 253185252 is about 15911.7960017089. The cubic root of 253185252 is about 632.6246861105.

The spelling of 253185252 in words is "two hundred fifty-three million, one hundred eighty-five thousand, two hundred fifty-two".