2154587 has 2 divisors, whose sum is σ = 2154588. Its totient is φ = 2154586.

The previous prime is 2154577. The next prime is 2154611. The reversal of 2154587 is 7854512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2154587 - 2⁸ = 2154331 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2154577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077293 + 1077294.

It is an arithmetic number, because the mean of its divisors is an integer number (1077294).

2^2154587 is an apocalyptic number.

2154587 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154587 is an equidigital number, since it uses as much as digits as its factorization.

2154587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 32.

The square root of 2154587 is about 1467.8511504918. The cubic root of 2154587 is about 129.1580100107.

The spelling of 2154587 in words is "two million, one hundred fifty-four thousand, five hundred eighty-seven".