652646997 has 16 divisors (see below), whose sum is σ = 968112000. Its totient is φ = 434545632.

The previous prime is 652646989. The next prime is 652647041. The reversal of 652646997 is 799646256.

It is not a de Polignac number, because 652646997 - 2³ = 652646989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652646927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6904 + ... + 36782.

It is an arithmetic number, because the mean of its divisors is an integer number (60507000).

Almost surely, 2^652646997 is an apocalyptic number.

It is an amenable number.

652646997 is a deficient number, since it is larger than the sum of its proper divisors (315465003).

652646997 is a wasteful number, since it uses less digits than its factorization.

652646997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30697 (or 30691 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 652646997 is about 25546.9567072088. The cubic root of 652646997 is about 867.4133755105.

The spelling of 652646997 in words is "six hundred fifty-two million, six hundred forty-six thousand, nine hundred ninety-seven".