2550530291 has 2 divisors, whose sum is σ = 2550530292. Its totient is φ = 2550530290.

The previous prime is 2550530273. The next prime is 2550530299. The reversal of 2550530291 is 1920350552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2550530291 is a prime.

It is not a weakly prime, because it can be changed into another prime (2550530299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275265145 + 1275265146.

It is an arithmetic number, because the mean of its divisors is an integer number (1275265146).

Almost surely, 2^2550530291 is an apocalyptic number.

2550530291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550530291 is an equidigital number, since it uses as much as digits as its factorization.

2550530291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 2550530291 is about 50502.7750821675. The cubic root of 2550530291 is about 1366.2919050236.

The spelling of 2550530291 in words is "two billion, five hundred fifty million, five hundred thirty thousand, two hundred ninety-one".