97140761 has 2 divisors, whose sum is σ = 97140762. Its totient is φ = 97140760.

The previous prime is 97140713. The next prime is 97140773. The reversal of 97140761 is 16704179.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97140736 + 25 = 9856^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 97140761 - 2⁶ = 97140697 is a prime.

It is not a weakly prime, because it can be changed into another prime (97140781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48570380 + 48570381.

It is an arithmetic number, because the mean of its divisors is an integer number (48570381).

Almost surely, 2^97140761 is an apocalyptic number.

It is an amenable number.

97140761 is a deficient number, since it is larger than the sum of its proper divisors (1).

97140761 is an equidigital number, since it uses as much as digits as its factorization.

97140761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 97140761 is about 9856.0012682629. The cubic root of 97140761 is about 459.6922342721.

The spelling of 97140761 in words is "ninety-seven million, one hundred forty thousand, seven hundred sixty-one".