652649901 has 8 divisors (see below), whose sum is σ = 900206880. Its totient is φ = 420096432.

The previous prime is 652649891. The next prime is 652649929. The reversal of 652649901 is 109946256.

It is a happy number.

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

It is not a de Polignac number, because 652649901 - 2⁵ = 652649869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652649951) 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, 3750775 + ... + 3750948.

It is an arithmetic number, because the mean of its divisors is an integer number (112525860).

Almost surely, 2^652649901 is an apocalyptic number.

It is an amenable number.

652649901 is a deficient number, since it is larger than the sum of its proper divisors (247556979).

652649901 is a wasteful number, since it uses less digits than its factorization.

652649901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501755.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 652649901 is about 25547.0135436610. The cubic root of 652649901 is about 867.4146620481.

The spelling of 652649901 in words is "six hundred fifty-two million, six hundred forty-nine thousand, nine hundred one".