252566201 has 2 divisors, whose sum is σ = 252566202. Its totient is φ = 252566200.

The previous prime is 252566177. The next prime is 252566231. The reversal of 252566201 is 102665252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235591801 + 16974400 = 15349^2 + 4120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252566201 is a prime.

It is a super-3 number, since 3×252566201³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (252566231) 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, 126283100 + 126283101.

It is an arithmetic number, because the mean of its divisors is an integer number (126283101).

Almost surely, 2^252566201 is an apocalyptic number.

It is an amenable number.

252566201 is a deficient number, since it is larger than the sum of its proper divisors (1).

252566201 is an equidigital number, since it uses as much as digits as its factorization.

252566201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 252566201 is about 15892.3315155455. The cubic root of 252566201 is about 632.1086653201.

The spelling of 252566201 in words is "two hundred fifty-two million, five hundred sixty-six thousand, two hundred one".