97625410261 has 2 divisors, whose sum is σ = 97625410262. Its totient is φ = 97625410260.

The previous prime is 97625410243. The next prime is 97625410301. The reversal of 97625410261 is 16201452679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73926347236 + 23699063025 = 271894^2 + 153945^2 .

It is a cyclic number.

It is not a de Polignac number, because 97625410261 - 2⁵ = 97625410229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97625410231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48812705130 + 48812705131.

It is an arithmetic number, because the mean of its divisors is an integer number (48812705131).

Almost surely, 2^97625410261 is an apocalyptic number.

It is an amenable number.

97625410261 is a deficient number, since it is larger than the sum of its proper divisors (1).

97625410261 is an equidigital number, since it uses as much as digits as its factorization.

97625410261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 97625410261 in words is "ninety-seven billion, six hundred twenty-five million, four hundred ten thousand, two hundred sixty-one".