97403261 has 2 divisors, whose sum is σ = 97403262. Its totient is φ = 97403260.

The previous prime is 97403231. The next prime is 97403269. The reversal of 97403261 is 16230479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93122500 + 4280761 = 9650^2 + 2069^2 .

It is a cyclic number.

It is not a de Polignac number, because 97403261 - 2¹⁰ = 97402237 is a prime.

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 (97403269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48701630 + 48701631.

It is an arithmetic number, because the mean of its divisors is an integer number (48701631).

Almost surely, 2^97403261 is an apocalyptic number.

It is an amenable number.

97403261 is a deficient number, since it is larger than the sum of its proper divisors (1).

97403261 is an equidigital number, since it uses as much as digits as its factorization.

97403261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 97403261 is about 9869.3090436970. The cubic root of 97403261 is about 460.1059318101.

The spelling of 97403261 in words is "ninety-seven million, four hundred three thousand, two hundred sixty-one".