2013439 has 2 divisors, whose sum is σ = 2013440. Its totient is φ = 2013438.

The previous prime is 2013409. The next prime is 2013457. The reversal of 2013439 is 9343102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2013439 - 2¹¹ = 2011391 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006719 + 1006720.

It is an arithmetic number, because the mean of its divisors is an integer number (1006720).

2^2013439 is an apocalyptic number.

2013439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013439 is an equidigital number, since it uses as much as digits as its factorization.

2013439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2013439 is about 1418.9570113291. The cubic root of 2013439 is about 126.2736765712.

The spelling of 2013439 in words is "two million, thirteen thousand, four hundred thirty-nine".