2481851 has 2 divisors, whose sum is σ = 2481852. Its totient is φ = 2481850.

The previous prime is 2481841. The next prime is 2481859. The reversal of 2481851 is 1581842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2481851 - 2¹⁴ = 2465467 is a prime.

It is not a weakly prime, because it can be changed into another prime (2481859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240925 + 1240926.

It is an arithmetic number, because the mean of its divisors is an integer number (1240926).

2^2481851 is an apocalyptic number.

2481851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2481851 is an equidigital number, since it uses as much as digits as its factorization.

2481851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2560, while the sum is 29.

The square root of 2481851 is about 1575.3891582717. The cubic root of 2481851 is about 135.3916564252.

Subtracting from 2481851 its reverse (1581842), we obtain a palindrome (900009).

The spelling of 2481851 in words is "two million, four hundred eighty-one thousand, eight hundred fifty-one".