252802549 has 2 divisors, whose sum is σ = 252802550. Its totient is φ = 252802548.

The previous prime is 252802531. The next prime is 252802579. The reversal of 252802549 is 945208252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251222500 + 1580049 = 15850^2 + 1257^2 .

It is a cyclic number.

It is not a de Polignac number, because 252802549 - 2⁹ = 252802037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252802579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126401274 + 126401275.

It is an arithmetic number, because the mean of its divisors is an integer number (126401275).

Almost surely, 2^252802549 is an apocalyptic number.

It is an amenable number.

252802549 is a deficient number, since it is larger than the sum of its proper divisors (1).

252802549 is an equidigital number, since it uses as much as digits as its factorization.

252802549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 252802549 is about 15899.7656900974. The cubic root of 252802549 is about 632.3057767323.

The spelling of 252802549 in words is "two hundred fifty-two million, eight hundred two thousand, five hundred forty-nine".