652420791 has 16 divisors (see below), whose sum is σ = 1054417920. Its totient is φ = 395406360.

The previous prime is 652420759. The next prime is 652420793. The reversal of 652420791 is 197024256.

It is not a de Polignac number, because 652420791 - 2⁵ = 652420759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652420793) 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 15 ways as a sum of consecutive naturals, for example, 1098055 + ... + 1098648.

It is an arithmetic number, because the mean of its divisors is an integer number (65901120).

Almost surely, 2^652420791 is an apocalyptic number.

652420791 is a deficient number, since it is larger than the sum of its proper divisors (401997129).

652420791 is a wasteful number, since it uses less digits than its factorization.

652420791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196723 (or 2196717 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 652420791 is about 25542.5290642881. The cubic root of 652420791 is about 867.3131494136.

The spelling of 652420791 in words is "six hundred fifty-two million, four hundred twenty thousand, seven hundred ninety-one".