252545173 has 2 divisors, whose sum is σ = 252545174. Its totient is φ = 252545172.

The previous prime is 252545119. The next prime is 252545201. The reversal of 252545173 is 371545252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247055524 + 5489649 = 15718^2 + 2343^2 .

It is a cyclic number.

It is not a de Polignac number, because 252545173 - 2⁹ = 252544661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252545113) 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, 126272586 + 126272587.

It is an arithmetic number, because the mean of its divisors is an integer number (126272587).

Almost surely, 2^252545173 is an apocalyptic number.

It is an amenable number.

252545173 is a deficient number, since it is larger than the sum of its proper divisors (1).

252545173 is an equidigital number, since it uses as much as digits as its factorization.

252545173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42000, while the sum is 34.

The square root of 252545173 is about 15891.6699248380. The cubic root of 252545173 is about 632.0911222629.

The spelling of 252545173 in words is "two hundred fifty-two million, five hundred forty-five thousand, one hundred seventy-three".