66292313 has 2 divisors, whose sum is σ = 66292314. Its totient is φ = 66292312.

The previous prime is 66292307. The next prime is 66292319. The reversal of 66292313 is 31329266.

It is a balanced prime because it is at equal distance from previous prime (66292307) and next prime (66292319).

It can be written as a sum of positive squares in only one way, i.e., 65496649 + 795664 = 8093^2 + 892^2 .

It is a cyclic number.

It is not a de Polignac number, because 66292313 - 2¹⁰ = 66291289 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66292313.

It is not a weakly prime, because it can be changed into another prime (66292319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33146156 + 33146157.

It is an arithmetic number, because the mean of its divisors is an integer number (33146157).

Almost surely, 2^66292313 is an apocalyptic number.

It is an amenable number.

66292313 is a deficient number, since it is larger than the sum of its proper divisors (1).

66292313 is an equidigital number, since it uses as much as digits as its factorization.

66292313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 32.

The square root of 66292313 is about 8142.0091500808. The cubic root of 66292313 is about 404.7197431106.

The spelling of 66292313 in words is "sixty-six million, two hundred ninety-two thousand, three hundred thirteen".