652861331 has 2 divisors, whose sum is σ = 652861332. Its totient is φ = 652861330.

The previous prime is 652861301. The next prime is 652861351. The reversal of 652861331 is 133168256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 652861331 - 2¹⁴ = 652844947 is a prime.

It is a super-2 number, since 2×652861331² = 852455835030183122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 652861291 and 652861300.

It is not a weakly prime, because it can be changed into another prime (652861301) 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, 326430665 + 326430666.

It is an arithmetic number, because the mean of its divisors is an integer number (326430666).

Almost surely, 2^652861331 is an apocalyptic number.

652861331 is a deficient number, since it is larger than the sum of its proper divisors (1).

652861331 is an equidigital number, since it uses as much as digits as its factorization.

652861331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 652861331 is about 25551.1512656475. The cubic root of 652861331 is about 867.5083200624.

The spelling of 652861331 in words is "six hundred fifty-two million, eight hundred sixty-one thousand, three hundred thirty-one".