2555135239 has 2 divisors, whose sum is σ = 2555135240. Its totient is φ = 2555135238.

The previous prime is 2555135221. The next prime is 2555135263. The reversal of 2555135239 is 9325315552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2555135239 - 2²⁵ = 2521580807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555135039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277567619 + 1277567620.

It is an arithmetic number, because the mean of its divisors is an integer number (1277567620).

Almost surely, 2^2555135239 is an apocalyptic number.

2555135239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555135239 is an equidigital number, since it uses as much as digits as its factorization.

2555135239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 202500, while the sum is 40.

The square root of 2555135239 is about 50548.3455614524. The cubic root of 2555135239 is about 1367.1136845130.

The spelling of 2555135239 in words is "two billion, five hundred fifty-five million, one hundred thirty-five thousand, two hundred thirty-nine".