297650057 has 2 divisors, whose sum is σ = 297650058. Its totient is φ = 297650056.

The previous prime is 297650053. The next prime is 297650063. The reversal of 297650057 is 750056792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277255801 + 20394256 = 16651^2 + 4516^2 .

It is a cyclic number.

It is not a de Polignac number, because 297650057 - 2² = 297650053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 297649996 and 297650023.

It is not a weakly prime, because it can be changed into another prime (297650053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148825028 + 148825029.

It is an arithmetic number, because the mean of its divisors is an integer number (148825029).

Almost surely, 2^297650057 is an apocalyptic number.

It is an amenable number.

297650057 is a deficient number, since it is larger than the sum of its proper divisors (1).

297650057 is an equidigital number, since it uses as much as digits as its factorization.

297650057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 297650057 is about 17252.5376973940. The cubic root of 297650057 is about 667.6804447939.

The spelling of 297650057 in words is "two hundred ninety-seven million, six hundred fifty thousand, fifty-seven".