649524323 has 8 divisors (see below), whose sum is σ = 746161248. Its totient is φ = 553849344.

The previous prime is 649524277. The next prime is 649524353. The reversal of 649524323 is 323425946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 649524323 - 2¹² = 649520227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (649524353) 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 7 ways as a sum of consecutive naturals, for example, 239036 + ... + 241737.

It is an arithmetic number, because the mean of its divisors is an integer number (93270156).

Almost surely, 2^649524323 is an apocalyptic number.

649524323 is a deficient number, since it is larger than the sum of its proper divisors (96636925).

649524323 is a wasteful number, since it uses less digits than its factorization.

649524323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480973.

The product of its digits is 155520, while the sum is 38.

The square root of 649524323 is about 25485.7670671298. The cubic root of 649524323 is about 866.0277460722.

The spelling of 649524323 in words is "six hundred forty-nine million, five hundred twenty-four thousand, three hundred twenty-three".