2425891 has 8 divisors (see below), whose sum is σ = 2628864. Its totient is φ = 2225280.

The previous prime is 2425889. The next prime is 2425897. The reversal of 2425891 is 1985242.

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 2425891 - 2¹ = 2425889 is a prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 4⁵ + 2²¹ + 5² + 8⁶ + 9 + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2425897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995 + ... + 2971.

It is an arithmetic number, because the mean of its divisors is an integer number (328608).

2^2425891 is an apocalyptic number.

2425891 is a deficient number, since it is larger than the sum of its proper divisors (202973).

2425891 is a wasteful number, since it uses less digits than its factorization.

2425891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181.

The product of its digits is 5760, while the sum is 31.

The square root of 2425891 is about 1557.5272068250. The cubic root of 2425891 is about 134.3663214875.

The spelling of 2425891 in words is "two million, four hundred twenty-five thousand, eight hundred ninety-one".