652685951 has 2 divisors, whose sum is σ = 652685952. Its totient is φ = 652685950.

The previous prime is 652685941. The next prime is 652685993. The reversal of 652685951 is 159586256.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652685951 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 652685896 and 652685905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652685941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326342975 + 326342976.

It is an arithmetic number, because the mean of its divisors is an integer number (326342976).

Almost surely, 2^652685951 is an apocalyptic number.

652685951 is a deficient number, since it is larger than the sum of its proper divisors (1).

652685951 is an equidigital number, since it uses as much as digits as its factorization.

652685951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 47.

The square root of 652685951 is about 25547.7190958410. The cubic root of 652685951 is about 867.4306326947.

The spelling of 652685951 in words is "six hundred fifty-two million, six hundred eighty-five thousand, nine hundred fifty-one".