64582249 has 4 divisors (see below), whose sum is σ = 65800836. Its totient is φ = 63363664.

The previous prime is 64582237. The next prime is 64582289. The reversal of 64582249 is 94228546.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27457600 + 37124649 = 5240^2 + 6093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64582249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64582289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609214 + ... + 609319.

It is an arithmetic number, because the mean of its divisors is an integer number (16450209).

Almost surely, 2^64582249 is an apocalyptic number.

It is an amenable number.

64582249 is a deficient number, since it is larger than the sum of its proper divisors (1218587).

64582249 is a wasteful number, since it uses less digits than its factorization.

64582249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218586.

The product of its digits is 138240, while the sum is 40.

The square root of 64582249 is about 8036.3081698004. The cubic root of 64582249 is about 401.2093586940.

The spelling of 64582249 in words is "sixty-four million, five hundred eighty-two thousand, two hundred forty-nine".