617116351 has 2 divisors, whose sum is σ = 617116352. Its totient is φ = 617116350.

The previous prime is 617116319. The next prime is 617116373. The reversal of 617116351 is 153611716.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 617116351 - 2⁵ = 617116319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (617116301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308558175 + 308558176.

It is an arithmetic number, because the mean of its divisors is an integer number (308558176).

Almost surely, 2^617116351 is an apocalyptic number.

617116351 is a deficient number, since it is larger than the sum of its proper divisors (1).

617116351 is an equidigital number, since it uses as much as digits as its factorization.

617116351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 31.

The square root of 617116351 is about 24841.8266437877. The cubic root of 617116351 is about 851.3778580059.

It can be divided in two parts, 6171 and 16351, that added together give a palindrome (22522).

The spelling of 617116351 in words is "six hundred seventeen million, one hundred sixteen thousand, three hundred fifty-one".