825155 has 8 divisors (see below), whose sum is σ = 1003200. Its totient is φ = 651456.

The previous prime is 825131. The next prime is 825161. The reversal of 825155 is 551528.

825155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 825155 - 2⁸ = 824899 is a prime.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650 + ... + 1439.

It is an arithmetic number, because the mean of its divisors is an integer number (125400).

2⁸²⁵¹⁵⁵ is an apocalyptic number.

825155 is a deficient number, since it is larger than the sum of its proper divisors (178045).

825155 is a wasteful number, since it uses less digits than its factorization.

825155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173.

The product of its digits is 2000, while the sum is 26.

The square root of 825155 is about 908.3804269137. The cubic root of 825155 is about 93.7947460471.

The spelling of 825155 in words is "eight hundred twenty-five thousand, one hundred fifty-five".