65040499 has 2 divisors, whose sum is σ = 65040500. Its totient is φ = 65040498.

The previous prime is 65040379. The next prime is 65040509. The reversal of 65040499 is 99404056.

65040499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65040499 - 2²³ = 56651891 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (65040799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32520249 + 32520250.

It is an arithmetic number, because the mean of its divisors is an integer number (32520250).

Almost surely, 2^65040499 is an apocalyptic number.

65040499 is a deficient number, since it is larger than the sum of its proper divisors (1).

65040499 is an equidigital number, since it uses as much as digits as its factorization.

65040499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 65040499 is about 8064.7689985517. The cubic root of 65040499 is about 402.1560638412.

The spelling of 65040499 in words is "sixty-five million, forty thousand, four hundred ninety-nine".