252777589 has 2 divisors, whose sum is σ = 252777590. Its totient is φ = 252777588.

The previous prime is 252777527. The next prime is 252777593. The reversal of 252777589 is 985777252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149084100 + 103693489 = 12210^2 + 10183^2 .

It is a cyclic number.

It is not a de Polignac number, because 252777589 - 2¹³ = 252769397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252777509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126388794 + 126388795.

It is an arithmetic number, because the mean of its divisors is an integer number (126388795).

Almost surely, 2^252777589 is an apocalyptic number.

It is an amenable number.

252777589 is a deficient number, since it is larger than the sum of its proper divisors (1).

252777589 is an equidigital number, since it uses as much as digits as its factorization.

252777589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2469600, while the sum is 52.

The square root of 252777589 is about 15898.9807534949. The cubic root of 252777589 is about 632.2849661936.

The spelling of 252777589 in words is "two hundred fifty-two million, seven hundred seventy-seven thousand, five hundred eighty-nine".