2149087 has 2 divisors, whose sum is σ = 2149088. Its totient is φ = 2149086.

The previous prime is 2149067. The next prime is 2149093. The reversal of 2149087 is 7809412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2149087 - 2¹¹ = 2147039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2149057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074543 + 1074544.

It is an arithmetic number, because the mean of its divisors is an integer number (1074544).

2^2149087 is an apocalyptic number.

2149087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2149087 is an equidigital number, since it uses as much as digits as its factorization.

2149087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2149087 is about 1465.9764663868. The cubic root of 2149087 is about 129.0480160977.

The spelling of 2149087 in words is "two million, one hundred forty-nine thousand, eighty-seven".