252304649 has 2 divisors, whose sum is σ = 252304650. Its totient is φ = 252304648.

The previous prime is 252304639. The next prime is 252304681. The reversal of 252304649 is 946403252.

252304649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251793424 + 511225 = 15868^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 252304649 - 2²⁴ = 235527433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252304639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126152324 + 126152325.

It is an arithmetic number, because the mean of its divisors is an integer number (126152325).

Almost surely, 2^252304649 is an apocalyptic number.

It is an amenable number.

252304649 is a deficient number, since it is larger than the sum of its proper divisors (1).

252304649 is an equidigital number, since it uses as much as digits as its factorization.

252304649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 252304649 is about 15884.1005096291. The cubic root of 252304649 is about 631.8903906812.

The spelling of 252304649 in words is "two hundred fifty-two million, three hundred four thousand, six hundred forty-nine".