159925 has 6 divisors (see below), whose sum is σ = 198338. Its totient is φ = 127920.

The previous prime is 159911. The next prime is 159931. The reversal of 159925 is 529951.

159925 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 1521 + 158404 = 39^2 + 398^2 .

It is not a de Polignac number, because 159925 - 2¹¹ = 157877 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, 3174 + ... + 3223.

2¹⁵⁹⁹²⁵ is an apocalyptic number.

It is an amenable number.

159925 is a deficient number, since it is larger than the sum of its proper divisors (38413).

159925 is an equidigital number, since it uses as much as digits as its factorization.

159925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407 (or 6402 counting only the distinct ones).

The product of its digits is 4050, while the sum is 31.

The square root of 159925 is about 399.9062390111. The cubic root of 159925 is about 54.2798684511.

The spelling of 159925 in words is "one hundred fifty-nine thousand, nine hundred twenty-five".