2825138 has 8 divisors (see below), whose sum is σ = 4252188. Its totient is φ = 1407744.

The previous prime is 2825131. The next prime is 2825149. The reversal of 2825138 is 8315282.

It can be written as a sum of positive squares in 2 ways, for example, as 1555009 + 1270129 = 1247^2 + 1127^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2825138.

It is not an unprimeable number, because it can be changed into a prime (2825131) 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, 1631 + ... + 2882.

2^2825138 is an apocalyptic number.

2825138 is a deficient number, since it is larger than the sum of its proper divisors (1427050).

2825138 is a wasteful number, since it uses less digits than its factorization.

2825138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828.

The product of its digits is 3840, while the sum is 29.

The square root of 2825138 is about 1680.8146834199. The cubic root of 2825138 is about 141.3665162286.

The spelling of 2825138 in words is "two million, eight hundred twenty-five thousand, one hundred thirty-eight".