745859 has 2 divisors, whose sum is σ = 745860. Its totient is φ = 745858.

The previous prime is 745837. The next prime is 745873. The reversal of 745859 is 958547.

It is a strong prime.

It is an emirp because it is prime and its reverse (958547) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745859 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (741859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372929 + 372930.

It is an arithmetic number, because the mean of its divisors is an integer number (372930).

2⁷⁴⁵⁸⁵⁹ is an apocalyptic number.

745859 is a deficient number, since it is larger than the sum of its proper divisors (1).

745859 is an equidigital number, since it uses as much as digits as its factorization.

745859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 38.

The square root of 745859 is about 863.6312870664. The cubic root of 745859 is about 90.6885054683.

The spelling of 745859 in words is "seven hundred forty-five thousand, eight hundred fifty-nine".