652710621 has 8 divisors (see below), whose sum is σ = 870485760. Its totient is φ = 435037952.

The previous prime is 652710613. The next prime is 652710623. The reversal of 652710621 is 126017256.

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

It is a cyclic number.

It is not a de Polignac number, because 652710621 - 2³ = 652710613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652710623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9261 + ... + 37298.

It is an arithmetic number, because the mean of its divisors is an integer number (108810720).

Almost surely, 2^652710621 is an apocalyptic number.

It is an amenable number.

652710621 is a deficient number, since it is larger than the sum of its proper divisors (217775139).

652710621 is a wasteful number, since it uses less digits than its factorization.

652710621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51235.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 652710621 is about 25548.2019132463. The cubic root of 652710621 is about 867.4415615057.

Adding to 652710621 its reverse (126017256), we get a palindrome (778727877).

The spelling of 652710621 in words is "six hundred fifty-two million, seven hundred ten thousand, six hundred twenty-one".