64825299 has 32 divisors (see below), whose sum is σ = 119738880. Its totient is φ = 33674400.

The previous prime is 64825289. The next prime is 64825303. The reversal of 64825299 is 99252846.

It is not a de Polignac number, because 64825299 - 2¹⁵ = 64792531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64825279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13512 + ... + 17669.

It is an arithmetic number, because the mean of its divisors is an integer number (3741840).

Almost surely, 2^64825299 is an apocalyptic number.

64825299 is a deficient number, since it is larger than the sum of its proper divisors (54913581).

64825299 is a wasteful number, since it uses less digits than its factorization.

64825299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31208 (or 31202 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 64825299 is about 8051.4159624255. The cubic root of 64825299 is about 401.7120348044.

It can be divided in two parts, 6482 and 5299, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 64825299 in words is "sixty-four million, eight hundred twenty-five thousand, two hundred ninety-nine".