97994261 has 2 divisors, whose sum is σ = 97994262. Its totient is φ = 97994260.

The previous prime is 97994233. The next prime is 97994321. The reversal of 97994261 is 16249979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54302161 + 43692100 = 7369^2 + 6610^2 .

It is a cyclic number.

It is not a de Polignac number, because 97994261 - 2¹⁴ = 97977877 is a prime.

It is a super-2 number, since 2×97994261² = 19205750377872242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97994231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48997130 + 48997131.

It is an arithmetic number, because the mean of its divisors is an integer number (48997131).

Almost surely, 2^97994261 is an apocalyptic number.

It is an amenable number.

97994261 is a deficient number, since it is larger than the sum of its proper divisors (1).

97994261 is an equidigital number, since it uses as much as digits as its factorization.

97994261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 47.

The square root of 97994261 is about 9899.2050690952. The cubic root of 97994261 is about 461.0346292703.

The spelling of 97994261 in words is "ninety-seven million, nine hundred ninety-four thousand, two hundred sixty-one".