252224239261 has 2 divisors, whose sum is σ = 252224239262. Its totient is φ = 252224239260.

The previous prime is 252224239249. The next prime is 252224239271. The reversal of 252224239261 is 162932422252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245986240900 + 6237998361 = 495970^2 + 78981^2 .

It is a cyclic number.

It is not a de Polignac number, because 252224239261 - 2⁵ = 252224239229 is a prime.

It is a super-2 number, since 2×252224239261² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252224239271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126112119630 + 126112119631.

It is an arithmetic number, because the mean of its divisors is an integer number (126112119631).

Almost surely, 2^252224239261 is an apocalyptic number.

It is an amenable number.

252224239261 is a deficient number, since it is larger than the sum of its proper divisors (1).

252224239261 is an equidigital number, since it uses as much as digits as its factorization.

252224239261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 40.

The spelling of 252224239261 in words is "two hundred fifty-two billion, two hundred twenty-four million, two hundred thirty-nine thousand, two hundred sixty-one".