2485391 has 2 divisors, whose sum is σ = 2485392. Its totient is φ = 2485390.

The previous prime is 2485381. The next prime is 2485393. The reversal of 2485391 is 1935842.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2485391 is a prime.

Together with 2485393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2485393) 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 as a sum of consecutive naturals, namely, 1242695 + 1242696.

It is an arithmetic number, because the mean of its divisors is an integer number (1242696).

2^2485391 is an apocalyptic number.

2485391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2485391 is an equidigital number, since it uses as much as digits as its factorization.

2485391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 2485391 is about 1576.5122898347. The cubic root of 2485391 is about 135.4559980216.

The spelling of 2485391 in words is "two million, four hundred eighty-five thousand, three hundred ninety-one".