2087539 has 2 divisors, whose sum is σ = 2087540. Its totient is φ = 2087538.

The previous prime is 2087531. The next prime is 2087543. The reversal of 2087539 is 9357802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2087539 - 2³ = 2087531 is a prime.

It is not a weakly prime, because it can be changed into another prime (2087531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043769 + 1043770.

It is an arithmetic number, because the mean of its divisors is an integer number (1043770).

2^2087539 is an apocalyptic number.

2087539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2087539 is an equidigital number, since it uses as much as digits as its factorization.

2087539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2087539 is about 1444.8318241235. The cubic root of 2087539 is about 127.8041234201.

The spelling of 2087539 in words is "two million, eighty-seven thousand, five hundred thirty-nine".