745825 has 6 divisors (see below), whose sum is σ = 924854. Its totient is φ = 596640.

The previous prime is 745817. The next prime is 745837. The reversal of 745825 is 528547.

It can be written as a sum of positive squares in 3 ways, for example, as 33489 + 712336 = 183^2 + 844^2 .

It is not a de Polignac number, because 745825 - 2³ = 745817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14892 + ... + 14941.

2⁷⁴⁵⁸²⁵ is an apocalyptic number.

It is an amenable number.

745825 is a deficient number, since it is larger than the sum of its proper divisors (179029).

745825 is a wasteful number, since it uses less digits than its factorization.

745825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29843 (or 29838 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 745825 is about 863.6116025159. The cubic root of 745825 is about 90.6871274348.

The spelling of 745825 in words is "seven hundred forty-five thousand, eight hundred twenty-five".