252051577 has 2 divisors, whose sum is σ = 252051578. Its totient is φ = 252051576.

The previous prime is 252051539. The next prime is 252051581. The reversal of 252051577 is 775150252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222934761 + 29116816 = 14931^2 + 5396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252051577 is a prime.

It is not a weakly prime, because it can be changed into another prime (252051077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126025788 + 126025789.

It is an arithmetic number, because the mean of its divisors is an integer number (126025789).

Almost surely, 2^252051577 is an apocalyptic number.

It is an amenable number.

252051577 is a deficient number, since it is larger than the sum of its proper divisors (1).

252051577 is an equidigital number, since it uses as much as digits as its factorization.

252051577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 252051577 is about 15876.1323060751. The cubic root of 252051577 is about 631.6790492704.

The spelling of 252051577 in words is "two hundred fifty-two million, fifty-one thousand, five hundred seventy-seven".