652134551 has 4 divisors (see below), whose sum is σ = 652185912. Its totient is φ = 652083192.

The previous prime is 652134523. The next prime is 652134557. The reversal of 652134551 is 155431256.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652134551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652134557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8780 + ... + 37166.

It is an arithmetic number, because the mean of its divisors is an integer number (163046478).

Almost surely, 2^652134551 is an apocalyptic number.

652134551 is a deficient number, since it is larger than the sum of its proper divisors (51361).

652134551 is a wasteful number, since it uses less digits than its factorization.

652134551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51360.

The product of its digits is 18000, while the sum is 32.

The square root of 652134551 is about 25536.9252456125. The cubic root of 652134551 is about 867.1862905749.

The spelling of 652134551 in words is "six hundred fifty-two million, one hundred thirty-four thousand, five hundred fifty-one".