247058897 has 2 divisors, whose sum is σ = 247058898. Its totient is φ = 247058896.

The previous prime is 247058873. The next prime is 247058899. The reversal of 247058897 is 798850742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245580241 + 1478656 = 15671^2 + 1216^2 .

It is a cyclic number.

It is not a de Polignac number, because 247058897 - 2⁸ = 247058641 is a prime.

It is a super-2 number, since 2×247058897² = 122076197173713218, which contains 22 as substring.

Together with 247058899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (247058899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123529448 + 123529449.

It is an arithmetic number, because the mean of its divisors is an integer number (123529449).

Almost surely, 2^247058897 is an apocalyptic number.

It is an amenable number.

247058897 is a deficient number, since it is larger than the sum of its proper divisors (1).

247058897 is an equidigital number, since it uses as much as digits as its factorization.

247058897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 247058897 is about 15718.1072969999. The cubic root of 247058897 is about 627.4804019212.

The spelling of 247058897 in words is "two hundred forty-seven million, fifty-eight thousand, eight hundred ninety-seven".