725385409231 has 8 divisors (see below), whose sum is σ = 829024709760. Its totient is φ = 621749312088.

The previous prime is 725385409187. The next prime is 725385409241. The reversal of 725385409231 is 132904583527.

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 725385409231 - 2⁷ = 725385409103 is a prime.

It is a super-2 number, since 2×725385409231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725385409241) 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, 294241 + ... + 1239898.

It is an arithmetic number, because the mean of its divisors is an integer number (103628088720).

Almost surely, 2^725385409231 is an apocalyptic number.

725385409231 is a deficient number, since it is larger than the sum of its proper divisors (103639300529).

725385409231 is a wasteful number, since it uses less digits than its factorization.

725385409231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601693.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 725385409231 in words is "seven hundred twenty-five billion, three hundred eighty-five million, four hundred nine thousand, two hundred thirty-one".