2505530239 has 2 divisors, whose sum is σ = 2505530240. Its totient is φ = 2505530238.

The previous prime is 2505530219. The next prime is 2505530381. The reversal of 2505530239 is 9320355052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2505530239 - 2⁵ = 2505530207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505530219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252765119 + 1252765120.

It is an arithmetic number, because the mean of its divisors is an integer number (1252765120).

Almost surely, 2^2505530239 is an apocalyptic number.

2505530239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505530239 is an equidigital number, since it uses as much as digits as its factorization.

2505530239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 2505530239 is about 50055.2718402368. The cubic root of 2505530239 is about 1358.2088298228.

The spelling of 2505530239 in words is "two billion, five hundred five million, five hundred thirty thousand, two hundred thirty-nine".