718241 has 2 divisors, whose sum is σ = 718242. Its totient is φ = 718240.

The previous prime is 718187. The next prime is 718259. The reversal of 718241 is 142817.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 555025 + 163216 = 745^2 + 404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-718241 is a prime.

It is a Chen prime.

It is equal to p₅₇₉₀₂ and since 718241 and 57902 have the same sum of digits, it is a Honaker prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 718241.

It is not a weakly prime, because it can be changed into another prime (718271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359120 + 359121.

It is an arithmetic number, because the mean of its divisors is an integer number (359121).

2⁷¹⁸²⁴¹ is an apocalyptic number.

It is an amenable number.

718241 is a deficient number, since it is larger than the sum of its proper divisors (1).

718241 is an equidigital number, since it uses as much as digits as its factorization.

718241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448, while the sum is 23.

The square root of 718241 is about 847.4910029021. The cubic root of 718241 is about 89.5550466067. Note that the first 3 decimals are identical.

It can be divided in two parts, 718 and 241, that added together give a palindrome (959).

The spelling of 718241 in words is "seven hundred eighteen thousand, two hundred forty-one".