97640041 has 2 divisors, whose sum is σ = 97640042. Its totient is φ = 97640040.

The previous prime is 97640017. The next prime is 97640063. The reversal of 97640041 is 14004679.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58201641 + 39438400 = 7629^2 + 6280^2 .

It is a cyclic number.

It is not a de Polignac number, because 97640041 - 2²³ = 89251433 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97639985 and 97640012.

It is not a weakly prime, because it can be changed into another prime (97650041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48820020 + 48820021.

It is an arithmetic number, because the mean of its divisors is an integer number (48820021).

Almost surely, 2^97640041 is an apocalyptic number.

It is an amenable number.

97640041 is a deficient number, since it is larger than the sum of its proper divisors (1).

97640041 is an equidigital number, since it uses as much as digits as its factorization.

97640041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 97640041 is about 9881.2975362550. The cubic root of 97640041 is about 460.4784577479.

The spelling of 97640041 in words is "ninety-seven million, six hundred forty thousand, forty-one".