252873157 has 2 divisors, whose sum is σ = 252873158. Its totient is φ = 252873156.

The previous prime is 252873151. The next prime is 252873191. The reversal of 252873157 is 751378252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203747076 + 49126081 = 14274^2 + 7009^2 .

It is a cyclic number.

It is not a de Polignac number, because 252873157 - 2¹⁹ = 252348869 is a prime.

It is a super-2 number, since 2×252873157² = 127889667062293298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252873151) 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 as a sum of consecutive naturals, namely, 126436578 + 126436579.

It is an arithmetic number, because the mean of its divisors is an integer number (126436579).

Almost surely, 2^252873157 is an apocalyptic number.

It is an amenable number.

252873157 is a deficient number, since it is larger than the sum of its proper divisors (1).

252873157 is an equidigital number, since it uses as much as digits as its factorization.

252873157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 40.

The square root of 252873157 is about 15901.9859451579. The cubic root of 252873157 is about 632.3646391271.

The spelling of 252873157 in words is "two hundred fifty-two million, eight hundred seventy-three thousand, one hundred fifty-seven".