2279539 has 2 divisors, whose sum is σ = 2279540. Its totient is φ = 2279538.

The previous prime is 2279527. The next prime is 2279567. The reversal of 2279539 is 9359722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2279539 - 2¹⁷ = 2148467 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 2²¹ + 7² + 9 + 5⁵ + 3¹¹ + 9 .

It is a junction number, because it is equal to n+sod(n) for n = 2279498 and 2279507.

It is not a weakly prime, because it can be changed into another prime (2279569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139769 + 1139770.

It is an arithmetic number, because the mean of its divisors is an integer number (1139770).

2^2279539 is an apocalyptic number.

2279539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2279539 is an equidigital number, since it uses as much as digits as its factorization.

2279539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 37.

The square root of 2279539 is about 1509.8142269829. The cubic root of 2279539 is about 131.6080160366.

The spelling of 2279539 in words is "two million, two hundred seventy-nine thousand, five hundred thirty-nine".