252190853 has 4 divisors (see below), whose sum is σ = 259006860. Its totient is φ = 245374848.

The previous prime is 252190843. The next prime is 252190867. The reversal of 252190853 is 358091252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 116165284 + 136025569 = 10778^2 + 11663^2 .

It is a cyclic number.

It is not a de Polignac number, because 252190853 - 2²⁰ = 251142277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252190843) 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, 3407948 + ... + 3408021.

It is an arithmetic number, because the mean of its divisors is an integer number (64751715).

Almost surely, 2^252190853 is an apocalyptic number.

It is an amenable number.

252190853 is a deficient number, since it is larger than the sum of its proper divisors (6816007).

252190853 is an equidigital number, since it uses as much as digits as its factorization.

252190853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816006.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 252190853 is about 15880.5180331121. The cubic root of 252190853 is about 631.7953766939.

The spelling of 252190853 in words is "two hundred fifty-two million, one hundred ninety thousand, eight hundred fifty-three".