725017403 has 8 divisors (see below), whose sum is σ = 791733360. Its totient is φ = 658435680.

The previous prime is 725017387. The next prime is 725017427. The reversal of 725017403 is 304710527.

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 725017403 - 2⁴ = 725017387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (725017463) 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, 22088 + ... + 44021.

It is an arithmetic number, because the mean of its divisors is an integer number (98966670).

Almost surely, 2^725017403 is an apocalyptic number.

725017403 is a deficient number, since it is larger than the sum of its proper divisors (66715957).

725017403 is a wasteful number, since it uses less digits than its factorization.

725017403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67117.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 725017403 is about 26926.1471993302. The cubic root of 725017403 is about 898.3580775602.

The spelling of 725017403 in words is "seven hundred twenty-five million, seventeen thousand, four hundred three".