252886241 has 2 divisors, whose sum is σ = 252886242. Its totient is φ = 252886240.

The previous prime is 252886171. The next prime is 252886247. The reversal of 252886241 is 142688252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222636241 + 30250000 = 14921^2 + 5500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252886241 is a prime.

It is a super-2 number, since 2×252886241² = 127902901774220162, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 252886195 and 252886204.

It is not a weakly prime, because it can be changed into another prime (252886247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126443120 + 126443121.

It is an arithmetic number, because the mean of its divisors is an integer number (126443121).

Almost surely, 2^252886241 is an apocalyptic number.

It is an amenable number.

252886241 is a deficient number, since it is larger than the sum of its proper divisors (1).

252886241 is an equidigital number, since it uses as much as digits as its factorization.

252886241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61440, while the sum is 38.

The square root of 252886241 is about 15902.3973349932. The cubic root of 252886241 is about 632.3755454070.

The spelling of 252886241 in words is "two hundred fifty-two million, eight hundred eighty-six thousand, two hundred forty-one".