2254540291 has 2 divisors, whose sum is σ = 2254540292. Its totient is φ = 2254540290.

The previous prime is 2254540283. The next prime is 2254540403. The reversal of 2254540291 is 1920454522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2254540291 - 2³ = 2254540283 is a prime.

It is not a weakly prime, because it can be changed into another prime (2254540231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127270145 + 1127270146.

It is an arithmetic number, because the mean of its divisors is an integer number (1127270146).

Almost surely, 2^2254540291 is an apocalyptic number.

2254540291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2254540291 is an equidigital number, since it uses as much as digits as its factorization.

2254540291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2254540291 is about 47481.9996524999. Note that the first 3 decimals coincide. The cubic root of 2254540291 is about 1311.2515070216.

The spelling of 2254540291 in words is "two billion, two hundred fifty-four million, five hundred forty thousand, two hundred ninety-one".