652827491 has 2 divisors, whose sum is σ = 652827492. Its totient is φ = 652827490.

The previous prime is 652827451. The next prime is 652827521. The reversal of 652827491 is 194728256.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652827491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (652827451) 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 as a sum of consecutive naturals, namely, 326413745 + 326413746.

It is an arithmetic number, because the mean of its divisors is an integer number (326413746).

Almost surely, 2^652827491 is an apocalyptic number.

652827491 is a deficient number, since it is larger than the sum of its proper divisors (1).

652827491 is an equidigital number, since it uses as much as digits as its factorization.

652827491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 44.

The square root of 652827491 is about 25550.4890559848. The cubic root of 652827491 is about 867.4933311781.

The spelling of 652827491 in words is "six hundred fifty-two million, eight hundred twenty-seven thousand, four hundred ninety-one".