65497099 has 2 divisors, whose sum is σ = 65497100. Its totient is φ = 65497098.

The previous prime is 65497093. The next prime is 65497111. The reversal of 65497099 is 99079456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65497099 - 2¹⁷ = 65366027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65497093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32748549 + 32748550.

It is an arithmetic number, because the mean of its divisors is an integer number (32748550).

Almost surely, 2^65497099 is an apocalyptic number.

65497099 is a deficient number, since it is larger than the sum of its proper divisors (1).

65497099 is an equidigital number, since it uses as much as digits as its factorization.

65497099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 65497099 is about 8093.0278017563. The cubic root of 65497099 is about 403.0949477347.

The spelling of 65497099 in words is "sixty-five million, four hundred ninety-seven thousand, ninety-nine".