730525 has 6 divisors (see below), whose sum is σ = 905882. Its totient is φ = 584400.

The previous prime is 730487. The next prime is 730537. The reversal of 730525 is 525037.

It can be written as a sum of positive squares in 3 ways, for example, as 2916 + 727609 = 54^2 + 853^2 .

It is not a de Polignac number, because 730525 - 2⁷ = 730397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 730496 and 730505.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 14586 + ... + 14635.

2⁷³⁰⁵²⁵ is an apocalyptic number.

It is an amenable number.

730525 is a deficient number, since it is larger than the sum of its proper divisors (175357).

730525 is a wasteful number, since it uses less digits than its factorization.

730525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29231 (or 29226 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 730525 is about 854.7075523242. The cubic root of 730525 is about 90.0627134917.

It can be divided in two parts, 730 and 525, that multiplied together give a triangular number (383250 = T₈₇₅).

The spelling of 730525 in words is "seven hundred thirty thousand, five hundred twenty-five".