252297841 has 2 divisors, whose sum is σ = 252297842. Its totient is φ = 252297840.

The previous prime is 252297811. The next prime is 252297847. The reversal of 252297841 is 148792252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240250000 + 12047841 = 15500^2 + 3471^2 .

It is a cyclic number.

It is not a de Polignac number, because 252297841 - 2⁹ = 252297329 is a prime.

It is a super-2 number, since 2×252297841² = 127308401146522562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252297794 and 252297803.

It is not a weakly prime, because it can be changed into another prime (252297847) 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, 126148920 + 126148921.

It is an arithmetic number, because the mean of its divisors is an integer number (126148921).

Almost surely, 2^252297841 is an apocalyptic number.

It is an amenable number.

252297841 is a deficient number, since it is larger than the sum of its proper divisors (1).

252297841 is an equidigital number, since it uses as much as digits as its factorization.

252297841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 252297841 is about 15883.8862058377. The cubic root of 252297841 is about 631.8847071442.

The spelling of 252297841 in words is "two hundred fifty-two million, two hundred ninety-seven thousand, eight hundred forty-one".