252430049 has 2 divisors, whose sum is σ = 252430050. Its totient is φ = 252430048.

The previous prime is 252430033. The next prime is 252430051. The reversal of 252430049 is 940034252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237375649 + 15054400 = 15407^2 + 3880^2 .

It is a cyclic number.

It is not a de Polignac number, because 252430049 - 2⁴ = 252430033 is a prime.

It is a Sophie Germain prime.

Together with 252430051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (252430069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126215024 + 126215025.

It is an arithmetic number, because the mean of its divisors is an integer number (126215025).

Almost surely, 2^252430049 is an apocalyptic number.

It is an amenable number.

252430049 is a deficient number, since it is larger than the sum of its proper divisors (1).

252430049 is an equidigital number, since it uses as much as digits as its factorization.

252430049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 252430049 is about 15888.0473627189. The cubic root of 252430049 is about 631.9950603483.

The spelling of 252430049 in words is "two hundred fifty-two million, four hundred thirty thousand, forty-nine".