2481091 has 2 divisors, whose sum is σ = 2481092. Its totient is φ = 2481090.

The previous prime is 2481067. The next prime is 2481097. The reversal of 2481091 is 1901842.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2481091 - 2⁹ = 2480579 is a prime.

2481091 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2481097) 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, 1240545 + 1240546.

It is an arithmetic number, because the mean of its divisors is an integer number (1240546).

2^2481091 is an apocalyptic number.

2481091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2481091 is an equidigital number, since it uses as much as digits as its factorization.

2481091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 2481091 is about 1575.1479295609. The cubic root of 2481091 is about 135.3778349986.

The spelling of 2481091 in words is "two million, four hundred eighty-one thousand, ninety-one".