725017803 has 4 divisors (see below), whose sum is σ = 966690408. Its totient is φ = 483345200.

The previous prime is 725017771. The next prime is 725017807. The reversal of 725017803 is 308710527.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 725017803 - 2⁵ = 725017771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (725017807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120836298 + ... + 120836303.

It is an arithmetic number, because the mean of its divisors is an integer number (241672602).

Almost surely, 2^725017803 is an apocalyptic number.

725017803 is a deficient number, since it is larger than the sum of its proper divisors (241672605).

725017803 is a wasteful number, since it uses less digits than its factorization.

725017803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241672604.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 725017803 is about 26926.1546270536. The cubic root of 725017803 is about 898.3582427715.

The spelling of 725017803 in words is "seven hundred twenty-five million, seventeen thousand, eight hundred three".