1825161 has 16 divisors (see below), whose sum is σ = 2673216. Its totient is φ = 1100736.

The previous prime is 1825157. The next prime is 1825163. The reversal of 1825161 is 1615281.

It is not a de Polignac number, because 1825161 - 2² = 1825157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1825163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1626 + ... + 2508.

It is an arithmetic number, because the mean of its divisors is an integer number (167076).

2^1825161 is an apocalyptic number.

It is an amenable number.

1825161 is a deficient number, since it is larger than the sum of its proper divisors (848055).

1825161 is a wasteful number, since it uses less digits than its factorization.

1825161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952.

The product of its digits is 480, while the sum is 24.

The square root of 1825161 is about 1350.9851960699. The cubic root of 1825161 is about 122.2082129336.

The spelling of 1825161 in words is "one million, eight hundred twenty-five thousand, one hundred sixty-one".