652144634 has 32 divisors (see below), whose sum is σ = 1032419520. Its totient is φ = 308512512.

The previous prime is 652144631. The next prime is 652144639. The reversal of 652144634 is 436441256.

It is a junction number, because it is equal to n+sod(n) for n = 652144594 and 652144603.

It is not an unprimeable number, because it can be changed into a prime (652144631) 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, 1099442 + ... + 1100034.

It is an arithmetic number, because the mean of its divisors is an integer number (32263110).

Almost surely, 2^652144634 is an apocalyptic number.

652144634 is a deficient number, since it is larger than the sum of its proper divisors (380274886).

652144634 is a wasteful number, since it uses less digits than its factorization.

652144634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974.

The product of its digits is 69120, while the sum is 35.

The square root of 652144634 is about 25537.1226648579. The cubic root of 652144634 is about 867.1907598951.

The spelling of 652144634 in words is "six hundred fifty-two million, one hundred forty-four thousand, six hundred thirty-four".