2139583 has 2 divisors, whose sum is σ = 2139584. Its totient is φ = 2139582.

The previous prime is 2139563. The next prime is 2139607. The reversal of 2139583 is 3859312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2139583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2139563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069791 + 1069792.

It is an arithmetic number, because the mean of its divisors is an integer number (1069792).

2^2139583 is an apocalyptic number.

2139583 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139583 is an equidigital number, since it uses as much as digits as its factorization.

2139583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 2139583 is about 1462.7313492231. The cubic root of 2139583 is about 128.8575034504.

The spelling of 2139583 in words is "two million, one hundred thirty-nine thousand, five hundred eighty-three".