799925 has 18 divisors (see below), whose sum is σ = 1155618. Its totient is φ = 547680.

The previous prime is 799921. The next prime is 799949. The reversal of 799925 is 529997.

799925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 9604 + 790321 = 98^2 + 889^2 .

It is not a de Polignac number, because 799925 - 2² = 799921 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799921) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 899 + ... + 1551.

It is an arithmetic number, because the mean of its divisors is an integer number (64201).

2⁷⁹⁹⁹²⁵ is an apocalyptic number.

It is an amenable number.

799925 is a deficient number, since it is larger than the sum of its proper divisors (355693).

799925 is a wasteful number, since it uses less digits than its factorization.

799925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 665 counting only the distinct ones).

The product of its digits is 51030, while the sum is 41.

The square root of 799925 is about 894.3852637426. The cubic root of 799925 is about 92.8288755886.

It can be divided in two parts, 79992 and 5, that added together give a palindrome (79997).

The spelling of 799925 in words is "seven hundred ninety-nine thousand, nine hundred twenty-five".