2825391 has 8 divisors (see below), whose sum is σ = 3778560. Its totient is φ = 1877912.

The previous prime is 2825387. The next prime is 2825411. The reversal of 2825391 is 1935282.

It is a happy number.

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 2825391 - 2² = 2825387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2825191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81 + ... + 2378.

It is an arithmetic number, because the mean of its divisors is an integer number (472320).

2^2825391 is an apocalyptic number.

2825391 is a deficient number, since it is larger than the sum of its proper divisors (953169).

2825391 is a wasteful number, since it uses less digits than its factorization.

2825391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845.

The product of its digits is 4320, while the sum is 30.

The square root of 2825391 is about 1680.8899428577. The cubic root of 2825391 is about 141.3707360414.

The spelling of 2825391 in words is "two million, eight hundred twenty-five thousand, three hundred ninety-one".