725801 has 2 divisors, whose sum is σ = 725802. Its totient is φ = 725800.

The previous prime is 725789. The next prime is 725807. The reversal of 725801 is 108527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 724201 + 1600 = 851^2 + 40^2 .

It is a cyclic number.

It is not a de Polignac number, because 725801 - 2⁶ = 725737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (725807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362900 + 362901.

It is an arithmetic number, because the mean of its divisors is an integer number (362901).

2⁷²⁵⁸⁰¹ is an apocalyptic number.

It is an amenable number.

725801 is a deficient number, since it is larger than the sum of its proper divisors (1).

725801 is an equidigital number, since it uses as much as digits as its factorization.

725801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 725801 is about 851.9395518463. The cubic root of 725801 is about 89.8681608754.

The spelling of 725801 in words is "seven hundred twenty-five thousand, eight hundred one".