725064403 has 8 divisors (see below), whose sum is σ = 836248160. Its totient is φ = 615781440.

The previous prime is 725064391. The next prime is 725064407. The reversal of 725064403 is 304460527.

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 725064403 - 2⁵ = 725064371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725064407) 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, 474378 + ... + 475903.

It is an arithmetic number, because the mean of its divisors is an integer number (104531020).

Almost surely, 2^725064403 is an apocalyptic number.

725064403 is a deficient number, since it is larger than the sum of its proper divisors (111183757).

725064403 is a wasteful number, since it uses less digits than its factorization.

725064403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950397.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 725064403 is about 26927.0199428009. The cubic root of 725064403 is about 898.3774894700.

The spelling of 725064403 in words is "seven hundred twenty-five million, sixty-four thousand, four hundred three".