253670297 has 2 divisors, whose sum is σ = 253670298. Its totient is φ = 253670296.

The previous prime is 253670293. The next prime is 253670369. The reversal of 253670297 is 792076352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169416256 + 84254041 = 13016^2 + 9179^2 .

It is a cyclic number.

It is not a de Polignac number, because 253670297 - 2² = 253670293 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253670293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126835148 + 126835149.

It is an arithmetic number, because the mean of its divisors is an integer number (126835149).

Almost surely, 2^253670297 is an apocalyptic number.

It is an amenable number.

253670297 is a deficient number, since it is larger than the sum of its proper divisors (1).

253670297 is an equidigital number, since it uses as much as digits as its factorization.

253670297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 253670297 is about 15927.0303886192. The cubic root of 253670297 is about 633.0284164415.

The spelling of 253670297 in words is "two hundred fifty-three million, six hundred seventy thousand, two hundred ninety-seven".