617713331 has 2 divisors, whose sum is σ = 617713332. Its totient is φ = 617713330.

The previous prime is 617713319. The next prime is 617713337. The reversal of 617713331 is 133317716.

617713331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-617713331 is a prime.

It is a super-2 number, since 2×617713331² = 763139518590231122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (617713337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308856665 + 308856666.

It is an arithmetic number, because the mean of its divisors is an integer number (308856666).

Almost surely, 2^617713331 is an apocalyptic number.

617713331 is a deficient number, since it is larger than the sum of its proper divisors (1).

617713331 is an equidigital number, since it uses as much as digits as its factorization.

617713331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 32.

The square root of 617713331 is about 24853.8393613542. The cubic root of 617713331 is about 851.6523020663.

The spelling of 617713331 in words is "six hundred seventeen million, seven hundred thirteen thousand, three hundred thirty-one".