715489 has 2 divisors, whose sum is σ = 715490. Its totient is φ = 715488.

The previous prime is 715457. The next prime is 715499. The reversal of 715489 is 984517.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 613089 + 102400 = 783^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 715489 - 2⁵ = 715457 is a prime.

It is not a weakly prime, because it can be changed into another prime (715439) 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, 357744 + 357745.

It is an arithmetic number, because the mean of its divisors is an integer number (357745).

2⁷¹⁵⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

715489 is a deficient number, since it is larger than the sum of its proper divisors (1).

715489 is an equidigital number, since it uses as much as digits as its factorization.

715489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 715489 is about 845.8658286040. The cubic root of 715489 is about 89.4405210126.

The spelling of 715489 in words is "seven hundred fifteen thousand, four hundred eighty-nine".