3810825 has 18 divisors (see below), whose sum is σ = 6826014. Its totient is φ = 2032320.

The previous prime is 3810823. The next prime is 3810841. The reversal of 3810825 is 5280183.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 112896 + 3697929 = 336^2 + 1923^2 .

It is not a de Polignac number, because 3810825 - 2¹ = 3810823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3810823) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8244 + ... + 8693.

It is an arithmetic number, because the mean of its divisors is an integer number (379223).

Almost surely, 2^3810825 is an apocalyptic number.

It is an amenable number.

3810825 is a deficient number, since it is larger than the sum of its proper divisors (3015189).

3810825 is a wasteful number, since it uses less digits than its factorization.

3810825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16953 (or 16945 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 3810825 is about 1952.1334483073. The cubic root of 3810825 is about 156.1971127675.

The spelling of 3810825 in words is "three million, eight hundred ten thousand, eight hundred twenty-five".