252304397 has 2 divisors, whose sum is σ = 252304398. Its totient is φ = 252304396.

The previous prime is 252304391. The next prime is 252304417. The reversal of 252304397 is 793403252.

252304397 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., 206525641 + 45778756 = 14371^2 + 6766^2 .

It is a cyclic number.

It is not a de Polignac number, because 252304397 - 2⁸ = 252304141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252304391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126152198 + 126152199.

It is an arithmetic number, because the mean of its divisors is an integer number (126152199).

Almost surely, 2^252304397 is an apocalyptic number.

It is an amenable number.

252304397 is a deficient number, since it is larger than the sum of its proper divisors (1).

252304397 is an equidigital number, since it uses as much as digits as its factorization.

252304397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 252304397 is about 15884.0925771666. The cubic root of 252304397 is about 631.8901803054.

The spelling of 252304397 in words is "two hundred fifty-two million, three hundred four thousand, three hundred ninety-seven".