652139610 has 16 divisors (see below), whose sum is σ = 1565135136. Its totient is φ = 173903888.

The previous prime is 652139597. The next prime is 652139623. The reversal of 652139610 is 16931256.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (652139597) and next prime (652139623).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10868964 + ... + 10869023.

It is an arithmetic number, because the mean of its divisors is an integer number (97820946).

Almost surely, 2^652139610 is an apocalyptic number.

652139610 is an abundant number, since it is smaller than the sum of its proper divisors (912995526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

652139610 is a wasteful number, since it uses less digits than its factorization.

652139610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21737997.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 652139610 is about 25537.0242980657. The cubic root of 652139610 is about 867.1885329977.

The spelling of 652139610 in words is "six hundred fifty-two million, one hundred thirty-nine thousand, six hundred ten".