745368539 has 2 divisors, whose sum is σ = 745368540. Its totient is φ = 745368538.

The previous prime is 745368443. The next prime is 745368541. The reversal of 745368539 is 935863547.

It is a strong prime.

It is an emirp because it is prime and its reverse (935863547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745368539 - 2¹² = 745364443 is a prime.

Together with 745368541, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (745368599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372684269 + 372684270.

It is an arithmetic number, because the mean of its divisors is an integer number (372684270).

Almost surely, 2^745368539 is an apocalyptic number.

745368539 is a deficient number, since it is larger than the sum of its proper divisors (1).

745368539 is an equidigital number, since it uses as much as digits as its factorization.

745368539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 50.

The square root of 745368539 is about 27301.4384053295. The cubic root of 745368539 is about 906.6862283271.

The spelling of 745368539 in words is "seven hundred forty-five million, three hundred sixty-eight thousand, five hundred thirty-nine".