725085538 has 8 divisors (see below), whose sum is σ = 1087780032. Its totient is φ = 362492196.

The previous prime is 725085499. The next prime is 725085539. The reversal of 725085538 is 835580527.

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

It is a junction number, because it is equal to n+sod(n) for n = 725085494 and 725085503.

It is not an unprimeable number, because it can be changed into a prime (725085539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3670 + ... + 38257.

It is an arithmetic number, because the mean of its divisors is an integer number (135972504).

Almost surely, 2^725085538 is an apocalyptic number.

725085538 is a deficient number, since it is larger than the sum of its proper divisors (362694494).

725085538 is a wasteful number, since it uses less digits than its factorization.

725085538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50576.

The product of its (nonzero) digits is 336000, while the sum is 43.

The square root of 725085538 is about 26927.4123896077. The cubic root of 725085538 is about 898.3862183607.

The spelling of 725085538 in words is "seven hundred twenty-five million, eighty-five thousand, five hundred thirty-eight".