652443651 has 6 divisors (see below), whose sum is σ = 942418620. Its totient is φ = 434962428.

The previous prime is 652443647. The next prime is 652443677. The reversal of 652443651 is 156344256.

It is not a de Polignac number, because 652443651 - 2² = 652443647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (652443151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36246861 + ... + 36246878.

It is an arithmetic number, because the mean of its divisors is an integer number (157069770).

Almost surely, 2^652443651 is an apocalyptic number.

652443651 is a deficient number, since it is larger than the sum of its proper divisors (289974969).

652443651 is a wasteful number, since it uses less digits than its factorization.

652443651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72493745 (or 72493742 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 652443651 is about 25542.9765493374. The cubic root of 652443651 is about 867.3232791475.

The spelling of 652443651 in words is "six hundred fifty-two million, four hundred forty-three thousand, six hundred fifty-one".