252545013 has 64 divisors (see below), whose sum is σ = 458680320. Its totient is φ = 134044416.

The previous prime is 252545011. The next prime is 252545023. The reversal of 252545013 is 310545252.

It is a happy number.

It is not a de Polignac number, because 252545013 - 2¹ = 252545011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252545011) 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 63 ways as a sum of consecutive naturals, for example, 266206 + ... + 267152.

It is an arithmetic number, because the mean of its divisors is an integer number (7166880).

Almost surely, 2^252545013 is an apocalyptic number.

It is an amenable number.

252545013 is a deficient number, since it is larger than the sum of its proper divisors (206135307).

252545013 is a wasteful number, since it uses less digits than its factorization.

252545013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 252545013 is about 15891.6648907533. The cubic root of 252545013 is about 632.0909887758.

The spelling of 252545013 in words is "two hundred fifty-two million, five hundred forty-five thousand, thirteen".