652966999 has 2 divisors, whose sum is σ = 652967000. Its totient is φ = 652966998.

The previous prime is 652966973. The next prime is 652967023. The reversal of 652966999 is 999669256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 652966999 - 2⁵ = 652966967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652966199) 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, 326483499 + 326483500.

It is an arithmetic number, because the mean of its divisors is an integer number (326483500).

Almost surely, 2^652966999 is an apocalyptic number.

652966999 is a deficient number, since it is larger than the sum of its proper divisors (1).

652966999 is an equidigital number, since it uses as much as digits as its factorization.

652966999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14171760, while the sum is 61.

The square root of 652966999 is about 25553.2189557402. The cubic root of 652966999 is about 867.5551206716. Note that the first 3 decimals are identical.

The spelling of 652966999 in words is "six hundred fifty-two million, nine hundred sixty-six thousand, nine hundred ninety-nine".