252548609 has 2 divisors, whose sum is σ = 252548610. Its totient is φ = 252548608.

The previous prime is 252548587. The next prime is 252548629. The reversal of 252548609 is 906845252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139594225 + 112954384 = 11815^2 + 10628^2 .

It is a cyclic number.

It is not a de Polignac number, because 252548609 - 2⁸ = 252548353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252548629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126274304 + 126274305.

It is an arithmetic number, because the mean of its divisors is an integer number (126274305).

Almost surely, 2^252548609 is an apocalyptic number.

It is an amenable number.

252548609 is a deficient number, since it is larger than the sum of its proper divisors (1).

252548609 is an equidigital number, since it uses as much as digits as its factorization.

252548609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 252548609 is about 15891.7780314224. The cubic root of 252548609 is about 632.0939888857.

The spelling of 252548609 in words is "two hundred fifty-two million, five hundred forty-eight thousand, six hundred nine".