801726125 has 8 divisors (see below), whose sum is σ = 1000554360. Its totient is φ = 641380800.

The previous prime is 801726119. The next prime is 801726127. The reversal of 801726125 is 521627108.

It can be written as a sum of positive squares in 4 ways, for example, as 130553476 + 671172649 = 11426^2 + 25907^2 .

It is not a de Polignac number, because 801726125 - 2²⁴ = 784948909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 801726091 and 801726100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801726127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3206780 + ... + 3207029.

It is an arithmetic number, because the mean of its divisors is an integer number (125069295).

Almost surely, 2^801726125 is an apocalyptic number.

It is an amenable number.

801726125 is a deficient number, since it is larger than the sum of its proper divisors (198828235).

801726125 is an equidigital number, since it uses as much as digits as its factorization.

801726125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413824 (or 6413814 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 801726125 is about 28314.7686729028. The cubic root of 801726125 is about 928.9849506450.

The spelling of 801726125 in words is "eight hundred one million, seven hundred twenty-six thousand, one hundred twenty-five".