97407397 has 2 divisors, whose sum is σ = 97407398. Its totient is φ = 97407396.

The previous prime is 97407337. The next prime is 97407403. The reversal of 97407397 is 79370479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56460196 + 40947201 = 7514^2 + 6399^2 .

It is an emirp because it is prime and its reverse (79370479) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97407397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97407337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48703698 + 48703699.

It is an arithmetic number, because the mean of its divisors is an integer number (48703699).

Almost surely, 2^97407397 is an apocalyptic number.

It is an amenable number.

97407397 is a deficient number, since it is larger than the sum of its proper divisors (1).

97407397 is an equidigital number, since it uses as much as digits as its factorization.

97407397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 333396, while the sum is 46.

The square root of 97407397 is about 9869.5185799511. The cubic root of 97407397 is about 460.1124441561.

The spelling of 97407397 in words is "ninety-seven million, four hundred seven thousand, three hundred ninety-seven".