718367057 has 2 divisors, whose sum is σ = 718367058. Its totient is φ = 718367056.

The previous prime is 718367053. The next prime is 718367059. The reversal of 718367057 is 750763817.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 626801296 + 91565761 = 25036^2 + 9569^2 .

It is a cyclic number.

It is not a de Polignac number, because 718367057 - 2² = 718367053 is a prime.

Together with 718367059, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 718366999 and 718367017.

It is not a weakly prime, because it can be changed into another prime (718367053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359183528 + 359183529.

It is an arithmetic number, because the mean of its divisors is an integer number (359183529).

Almost surely, 2^718367057 is an apocalyptic number.

It is an amenable number.

718367057 is a deficient number, since it is larger than the sum of its proper divisors (1).

718367057 is an equidigital number, since it uses as much as digits as its factorization.

718367057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 246960, while the sum is 44.

The square root of 718367057 is about 26802.3703615930. The cubic root of 718367057 is about 895.6028550753.

The spelling of 718367057 in words is "seven hundred eighteen million, three hundred sixty-seven thousand, fifty-seven".