699925 has 6 divisors (see below), whose sum is σ = 867938. Its totient is φ = 559920.

The previous prime is 699863. The next prime is 699931. The reversal of 699925 is 529996.

699925 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 171396 + 528529 = 414^2 + 727^2 .

It is not a de Polignac number, because 699925 - 2¹¹ = 697877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13974 + ... + 14023.

2⁶⁹⁹⁹²⁵ is an apocalyptic number.

It is an amenable number.

699925 is a deficient number, since it is larger than the sum of its proper divisors (168013).

699925 is a wasteful number, since it uses less digits than its factorization.

699925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28007 (or 28002 counting only the distinct ones).

The product of its digits is 43740, while the sum is 40.

The square root of 699925 is about 836.6152042606. The cubic root of 699925 is about 88.7872289753.

The spelling of 699925 in words is "six hundred ninety-nine thousand, nine hundred twenty-five".