649583201 has 8 divisors (see below), whose sum is σ = 652904640. Its totient is φ = 646269552.

The previous prime is 649583173. The next prime is 649583219. The reversal of 649583201 is 102385946.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-649583201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (649583251) 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, 231515 + ... + 234303.

It is an arithmetic number, because the mean of its divisors is an integer number (81613080).

Almost surely, 2^649583201 is an apocalyptic number.

It is an amenable number.

649583201 is a deficient number, since it is larger than the sum of its proper divisors (3321439).

649583201 is a wasteful number, since it uses less digits than its factorization.

649583201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 649583201 is about 25486.9221562746. The cubic root of 649583201 is about 866.0539131400.

The spelling of 649583201 in words is "six hundred forty-nine million, five hundred eighty-three thousand, two hundred one".