725005103 has 8 divisors (see below), whose sum is σ = 801029088. Its totient is φ = 652689664.

The previous prime is 725005087. The next prime is 725005109. The reversal of 725005103 is 301500527.

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 725005103 - 2⁴ = 725005087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725005109) 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, 926726 + ... + 927507.

It is an arithmetic number, because the mean of its divisors is an integer number (100128636).

Almost surely, 2^725005103 is an apocalyptic number.

725005103 is a deficient number, since it is larger than the sum of its proper divisors (76023985).

725005103 is a wasteful number, since it uses less digits than its factorization.

725005103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854273.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 725005103 is about 26925.9187958368. The cubic root of 725005103 is about 898.3529972836.

The spelling of 725005103 in words is "seven hundred twenty-five million, five thousand, one hundred three".