725524603 has 4 divisors (see below), whose sum is σ = 727615800. Its totient is φ = 723433408.

The previous prime is 725524577. The next prime is 725524609. The reversal of 725524603 is 306425527.

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 725524603 - 2⁹ = 725524091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725524609) 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, 1045078 + ... + 1045771.

It is an arithmetic number, because the mean of its divisors is an integer number (181903950).

Almost surely, 2^725524603 is an apocalyptic number.

725524603 is a deficient number, since it is larger than the sum of its proper divisors (2091197).

725524603 is a wasteful number, since it uses less digits than its factorization.

725524603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091196.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 725524603 is about 26935.5639072212. The cubic root of 725524603 is about 898.5675166735.

The spelling of 725524603 in words is "seven hundred twenty-five million, five hundred twenty-four thousand, six hundred three".