253517052 has 12 divisors (see below), whose sum is σ = 591539816. Its totient is φ = 84505680.

The previous prime is 253516979. The next prime is 253517053. The reversal of 253517052 is 250715352.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253517053) 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, 10563199 + ... + 10563222.

Almost surely, 2^253517052 is an apocalyptic number.

It is an amenable number.

253517052 is an abundant number, since it is smaller than the sum of its proper divisors (338022764).

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

253517052 is a wasteful number, since it uses less digits than its factorization.

253517052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21126428 (or 21126426 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 253517052 is about 15922.2188152280. The cubic root of 253517052 is about 632.9009176343.

The spelling of 253517052 in words is "two hundred fifty-three million, five hundred seventeen thousand, fifty-two".