652420630 has 32 divisors (see below), whose sum is σ = 1231790976. Its totient is φ = 248505984.

The previous prime is 652420621. The next prime is 652420673. The reversal of 652420630 is 36024256.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1369 + ... + 36148.

It is an arithmetic number, because the mean of its divisors is an integer number (38493468).

Almost surely, 2^652420630 is an apocalyptic number.

652420630 is a deficient number, since it is larger than the sum of its proper divisors (579370346).

652420630 is a wasteful number, since it uses less digits than its factorization.

652420630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37608.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 652420630 is about 25542.5259126814. The cubic root of 652420630 is about 867.3130780703.

Adding to 652420630 its reverse (36024256), we get a palindrome (688444886).

The spelling of 652420630 in words is "six hundred fifty-two million, four hundred twenty thousand, six hundred thirty".