635616097 has 2 divisors, whose sum is σ = 635616098. Its totient is φ = 635616096.

The previous prime is 635616053. The next prime is 635616119. The reversal of 635616097 is 790616536.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499567201 + 136048896 = 22351^2 + 11664^2 .

It is a cyclic number.

It is not a de Polignac number, because 635616097 - 2¹⁵ = 635583329 is a prime.

It is not a weakly prime, because it can be changed into another prime (635616697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317808048 + 317808049.

It is an arithmetic number, because the mean of its divisors is an integer number (317808049).

Almost surely, 2^635616097 is an apocalyptic number.

It is an amenable number.

635616097 is a deficient number, since it is larger than the sum of its proper divisors (1).

635616097 is an equidigital number, since it uses as much as digits as its factorization.

635616097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 635616097 is about 25211.4279048213. The cubic root of 635616097 is about 859.8016926028.

The spelling of 635616097 in words is "six hundred thirty-five million, six hundred sixteen thousand, ninety-seven".