252236173 has 12 divisors (see below), whose sum is σ = 297800832. Its totient is φ = 212972760.

The previous prime is 252236167. The next prime is 252236183. The reversal of 252236173 is 371632252.

It is a de Polignac number, because none of the positive numbers 2^k-252236173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252236183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35133 + ... + 41698.

It is an arithmetic number, because the mean of its divisors is an integer number (24816736).

Almost surely, 2^252236173 is an apocalyptic number.

It is an amenable number.

252236173 is a deficient number, since it is larger than the sum of its proper divisors (45564659).

252236173 is an equidigital number, since it uses as much as digits as its factorization.

252236173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76912 (or 76905 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 252236173 is about 15881.9448746053. The cubic root of 252236173 is about 631.8332200589.

The spelling of 252236173 in words is "two hundred fifty-two million, two hundred thirty-six thousand, one hundred seventy-three".