252566953 has 2 divisors, whose sum is σ = 252566954. Its totient is φ = 252566952.

The previous prime is 252566927. The next prime is 252566957. The reversal of 252566953 is 359665252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127306089 + 125260864 = 11283^2 + 11192^2 .

It is a cyclic number.

It is not a de Polignac number, because 252566953 - 2⁹ = 252566441 is a prime.

It is a super-3 number, since 3×252566953³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (252566957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126283476 + 126283477.

It is an arithmetic number, because the mean of its divisors is an integer number (126283477).

Almost surely, 2^252566953 is an apocalyptic number.

It is an amenable number.

252566953 is a deficient number, since it is larger than the sum of its proper divisors (1).

252566953 is an equidigital number, since it uses as much as digits as its factorization.

252566953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486000, while the sum is 43.

The square root of 252566953 is about 15892.3551747373. The cubic root of 252566953 is about 632.1092926741.

The spelling of 252566953 in words is "two hundred fifty-two million, five hundred sixty-six thousand, nine hundred fifty-three".