252384757 has 2 divisors, whose sum is σ = 252384758. Its totient is φ = 252384756.

The previous prime is 252384721. The next prime is 252384791. The reversal of 252384757 is 757483252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244578321 + 7806436 = 15639^2 + 2794^2 .

It is a cyclic number.

It is not a de Polignac number, because 252384757 - 2¹⁵ = 252351989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252384707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126192378 + 126192379.

It is an arithmetic number, because the mean of its divisors is an integer number (126192379).

Almost surely, 2^252384757 is an apocalyptic number.

It is an amenable number.

252384757 is a deficient number, since it is larger than the sum of its proper divisors (1).

252384757 is an equidigital number, since it uses as much as digits as its factorization.

252384757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470400, while the sum is 43.

The square root of 252384757 is about 15886.6219505595. The cubic root of 252384757 is about 631.9572597345.

The spelling of 252384757 in words is "two hundred fifty-two million, three hundred eighty-four thousand, seven hundred fifty-seven".