64825699 has 2 divisors, whose sum is σ = 64825700. Its totient is φ = 64825698.

The previous prime is 64825697. The next prime is 64825711. The reversal of 64825699 is 99652846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64825699 - 2¹ = 64825697 is a prime.

Together with 64825697, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (64825697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32412849 + 32412850.

It is an arithmetic number, because the mean of its divisors is an integer number (32412850).

Almost surely, 2^64825699 is an apocalyptic number.

64825699 is a deficient number, since it is larger than the sum of its proper divisors (1).

64825699 is an equidigital number, since it uses as much as digits as its factorization.

64825699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The square root of 64825699 is about 8051.4408027384. The cubic root of 64825699 is about 401.7128610481.

The spelling of 64825699 in words is "sixty-four million, eight hundred twenty-five thousand, six hundred ninety-nine".