253802897 has 2 divisors, whose sum is σ = 253802898. Its totient is φ = 253802896.

The previous prime is 253802891. The next prime is 253802909. The reversal of 253802897 is 798208352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247244176 + 6558721 = 15724^2 + 2561^2 .

It is a cyclic number.

It is not a de Polignac number, because 253802897 - 2⁴ = 253802881 is a prime.

It is not a weakly prime, because it can be changed into another prime (253802891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126901448 + 126901449.

It is an arithmetic number, because the mean of its divisors is an integer number (126901449).

Almost surely, 2^253802897 is an apocalyptic number.

It is an amenable number.

253802897 is a deficient number, since it is larger than the sum of its proper divisors (1).

253802897 is an equidigital number, since it uses as much as digits as its factorization.

253802897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 253802897 is about 15931.1925793394. The cubic root of 253802897 is about 633.1386973159.

The spelling of 253802897 in words is "two hundred fifty-three million, eight hundred two thousand, eight hundred ninety-seven".