252805053 has 16 divisors (see below), whose sum is σ = 348123776. Its totient is φ = 163062720.

The previous prime is 252805043. The next prime is 252805061. The reversal of 252805053 is 350508252.

It is not a de Polignac number, because 252805053 - 2¹³ = 252796861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252805053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252805043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13800 + ... + 26382.

It is an arithmetic number, because the mean of its divisors is an integer number (21757736).

Almost surely, 2^252805053 is an apocalyptic number.

It is an amenable number.

252805053 is a deficient number, since it is larger than the sum of its proper divisors (95318723).

252805053 is a wasteful number, since it uses less digits than its factorization.

252805053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12804.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 252805053 is about 15899.8444332012. The cubic root of 252805053 is about 632.3078643806.

The spelling of 252805053 in words is "two hundred fifty-two million, eight hundred five thousand, fifty-three".