745525 has 12 divisors (see below), whose sum is σ = 1008864. Its totient is φ = 542000.

The previous prime is 745517. The next prime is 745529. The reversal of 745525 is 525547.

It is not a de Polignac number, because 745525 - 2³ = 745517 is a prime.

It is a Duffinian number.

745525 is a lucky number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 745493 and 745502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1081 + ... + 1630.

It is an arithmetic number, because the mean of its divisors is an integer number (84072).

2⁷⁴⁵⁵²⁵ is an apocalyptic number.

It is an amenable number.

745525 is a deficient number, since it is larger than the sum of its proper divisors (263339).

745525 is a wasteful number, since it uses less digits than its factorization.

745525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732 (or 2727 counting only the distinct ones).

The product of its digits is 7000, while the sum is 28.

The square root of 745525 is about 863.4378958559. The cubic root of 745525 is about 90.6749665004.

The spelling of 745525 in words is "seven hundred forty-five thousand, five hundred twenty-five".