725530539 has 8 divisors (see below), whose sum is σ = 1024278480. Its totient is φ = 455234816.

The previous prime is 725530537. The next prime is 725530543. The reversal of 725530539 is 935035527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 725530539 - 2¹ = 725530537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725530497 and 725530506.

It is not an unprimeable number, because it can be changed into a prime (725530537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7112994 + ... + 7113095.

It is an arithmetic number, because the mean of its divisors is an integer number (128034810).

Almost surely, 2^725530539 is an apocalyptic number.

725530539 is a deficient number, since it is larger than the sum of its proper divisors (298747941).

725530539 is a wasteful number, since it uses less digits than its factorization.

725530539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14226109.

The product of its (nonzero) digits is 141750, while the sum is 39.

The square root of 725530539 is about 26935.6740958900. The cubic root of 725530539 is about 898.5699672599.

The spelling of 725530539 in words is "seven hundred twenty-five million, five hundred thirty thousand, five hundred thirty-nine".