297240901 has 2 divisors, whose sum is σ = 297240902. Its totient is φ = 297240900.

The previous prime is 297240899. The next prime is 297240913. The reversal of 297240901 is 109042792.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281232900 + 16008001 = 16770^2 + 4001^2 .

It is a cyclic number.

It is not a de Polignac number, because 297240901 - 2¹ = 297240899 is a prime.

Together with 297240899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (297240941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148620450 + 148620451.

It is an arithmetic number, because the mean of its divisors is an integer number (148620451).

Almost surely, 2^297240901 is an apocalyptic number.

It is an amenable number.

297240901 is a deficient number, since it is larger than the sum of its proper divisors (1).

297240901 is an equidigital number, since it uses as much as digits as its factorization.

297240901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 297240901 is about 17240.6757698183. The cubic root of 297240901 is about 667.3743686654.

The spelling of 297240901 in words is "two hundred ninety-seven million, two hundred forty thousand, nine hundred one".