725801023 has 4 divisors (see below), whose sum is σ = 726422008. Its totient is φ = 725180040.

The previous prime is 725801003. The next prime is 725801029. The reversal of 725801023 is 320108527.

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 725801023 - 2⁹ = 725800511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 725800982 and 725801000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725801029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308736 + ... + 311077.

It is an arithmetic number, because the mean of its divisors is an integer number (181605502).

Almost surely, 2^725801023 is an apocalyptic number.

725801023 is a deficient number, since it is larger than the sum of its proper divisors (620985).

725801023 is a wasteful number, since it uses less digits than its factorization.

725801023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620984.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 725801023 is about 26940.6945530363. The cubic root of 725801023 is about 898.6816182466.

The spelling of 725801023 in words is "seven hundred twenty-five million, eight hundred one thousand, twenty-three".