725929 has 2 divisors, whose sum is σ = 725930. Its totient is φ = 725928.

The previous prime is 725909. The next prime is 725939. The reversal of 725929 is 929527.

725929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 725904 + 25 = 852^2 + 5^2 .

It is an emirp because it is prime and its reverse (929527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 725929 - 2⁵ = 725897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725894 and 725903.

It is not a weakly prime, because it can be changed into another prime (725909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362964 + 362965.

It is an arithmetic number, because the mean of its divisors is an integer number (362965).

2⁷²⁵⁹²⁹ is an apocalyptic number.

It is an amenable number.

725929 is a deficient number, since it is larger than the sum of its proper divisors (1).

725929 is an equidigital number, since it uses as much as digits as its factorization.

725929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 34.

The square root of 725929 is about 852.0146712352. The cubic root of 725929 is about 89.8734435210.

It can be divided in two parts, 7 and 25929, that multiplied together give a triangular number (181503 = T₆₀₂).

The spelling of 725929 in words is "seven hundred twenty-five thousand, nine hundred twenty-nine".