2538550291 has 2 divisors, whose sum is σ = 2538550292. Its totient is φ = 2538550290.

The previous prime is 2538550277. The next prime is 2538550303. The reversal of 2538550291 is 1920558352.

2538550291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2538550291 - 2¹³ = 2538542099 is a prime.

It is not a weakly prime, because it can be changed into another prime (2538550991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269275145 + 1269275146.

It is an arithmetic number, because the mean of its divisors is an integer number (1269275146).

Almost surely, 2^2538550291 is an apocalyptic number.

2538550291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2538550291 is an equidigital number, since it uses as much as digits as its factorization.

2538550291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 2538550291 is about 50384.0281339236. The cubic root of 2538550291 is about 1364.1493608353.

The spelling of 2538550291 in words is "two billion, five hundred thirty-eight million, five hundred fifty thousand, two hundred ninety-one".