252136063 has 4 divisors (see below), whose sum is σ = 260830440. Its totient is φ = 243441688.

The previous prime is 252136043. The next prime is 252136067. The reversal of 252136063 is 360631252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252136063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252136067) 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, 4347145 + ... + 4347202.

It is an arithmetic number, because the mean of its divisors is an integer number (65207610).

Almost surely, 2^252136063 is an apocalyptic number.

252136063 is a deficient number, since it is larger than the sum of its proper divisors (8694377).

252136063 is an equidigital number, since it uses as much as digits as its factorization.

252136063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8694376.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 252136063 is about 15878.7928697367. The cubic root of 252136063 is about 631.7496195812.

The spelling of 252136063 in words is "two hundred fifty-two million, one hundred thirty-six thousand, sixty-three".