65320699 has 2 divisors, whose sum is σ = 65320700. Its totient is φ = 65320698.

The previous prime is 65320679. The next prime is 65320711. The reversal of 65320699 is 99602356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65320699 - 2¹⁵ = 65287931 is a prime.

It is not a weakly prime, because it can be changed into another prime (65320649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32660349 + 32660350.

It is an arithmetic number, because the mean of its divisors is an integer number (32660350).

Almost surely, 2^65320699 is an apocalyptic number.

65320699 is a deficient number, since it is larger than the sum of its proper divisors (1).

65320699 is an equidigital number, since it uses as much as digits as its factorization.

65320699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 65320699 is about 8082.1221841791. The cubic root of 65320699 is about 402.7327440091.

The spelling of 65320699 in words is "sixty-five million, three hundred twenty thousand, six hundred ninety-nine".