3825131 has 4 divisors (see below), whose sum is σ = 3868200. Its totient is φ = 3782064.

The previous prime is 3825109. The next prime is 3825167. The reversal of 3825131 is 1315283.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3825131 is a prime.

It is a super-2 number, since 2×3825131² = 29263254334322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3825097 and 3825106.

It is not an unprimeable number, because it can be changed into a prime (3825181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21401 + ... + 21578.

It is an arithmetic number, because the mean of its divisors is an integer number (967050).

Almost surely, 2^3825131 is an apocalyptic number.

3825131 is a deficient number, since it is larger than the sum of its proper divisors (43069).

3825131 is an equidigital number, since it uses as much as digits as its factorization.

3825131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43068.

The product of its digits is 720, while the sum is 23.

The square root of 3825131 is about 1955.7942120786. The cubic root of 3825131 is about 156.3923255719.

The spelling of 3825131 in words is "three million, eight hundred twenty-five thousand, one hundred thirty-one".