252291763 has 2 divisors, whose sum is σ = 252291764. Its totient is φ = 252291762.

The previous prime is 252291749. The next prime is 252291773. The reversal of 252291763 is 367192252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252291763 - 2¹³ = 252283571 is a prime.

It is a super-2 number, since 2×252291763² = 127302267355296338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252291773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126145881 + 126145882.

It is an arithmetic number, because the mean of its divisors is an integer number (126145882).

Almost surely, 2^252291763 is an apocalyptic number.

252291763 is a deficient number, since it is larger than the sum of its proper divisors (1).

252291763 is an equidigital number, since it uses as much as digits as its factorization.

252291763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 252291763 is about 15883.6948787113. The cubic root of 252291763 is about 631.8796329482.

The spelling of 252291763 in words is "two hundred fifty-two million, two hundred ninety-one thousand, seven hundred sixty-three".