97609525441 has 2 divisors, whose sum is σ = 97609525442. Its totient is φ = 97609525440.

The previous prime is 97609525421. The next prime is 97609525477. The reversal of 97609525441 is 14452590679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79931163841 + 17678361600 = 282721^2 + 132960^2 .

It is an emirp because it is prime and its reverse (14452590679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97609525441 - 2⁷ = 97609525313 is a prime.

It is not a weakly prime, because it can be changed into another prime (97609525421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48804762720 + 48804762721.

It is an arithmetic number, because the mean of its divisors is an integer number (48804762721).

Almost surely, 2^97609525441 is an apocalyptic number.

It is an amenable number.

97609525441 is a deficient number, since it is larger than the sum of its proper divisors (1).

97609525441 is an equidigital number, since it uses as much as digits as its factorization.

97609525441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 97609525441 in words is "ninety-seven billion, six hundred nine million, five hundred twenty-five thousand, four hundred forty-one".