718612241 has 2 divisors, whose sum is σ = 718612242. Its totient is φ = 718612240.

The previous prime is 718612231. The next prime is 718612267. The reversal of 718612241 is 142216817.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 625200016 + 93412225 = 25004^2 + 9665^2 .

It is an emirp because it is prime and its reverse (142216817) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 718612241 - 2⁶ = 718612177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 718612198 and 718612207.

It is not a weakly prime, because it can be changed into another prime (718612201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359306120 + 359306121.

It is an arithmetic number, because the mean of its divisors is an integer number (359306121).

Almost surely, 2^718612241 is an apocalyptic number.

It is an amenable number.

718612241 is a deficient number, since it is larger than the sum of its proper divisors (1).

718612241 is an equidigital number, since it uses as much as digits as its factorization.

718612241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 32.

The square root of 718612241 is about 26806.9438951925. The cubic root of 718612241 is about 895.7047354491.

The spelling of 718612241 in words is "seven hundred eighteen million, six hundred twelve thousand, two hundred forty-one".