2552191091 has 2 divisors, whose sum is σ = 2552191092. Its totient is φ = 2552191090.

The previous prime is 2552191007. The next prime is 2552191123. The reversal of 2552191091 is 1901912552.

2552191091 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 2552191091 - 2³⁰ = 1478449267 is a prime.

It is a super-3 number, since 3×2552191091³ (a number of 29 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2552191391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276095545 + 1276095546.

It is an arithmetic number, because the mean of its divisors is an integer number (1276095546).

Almost surely, 2^2552191091 is an apocalyptic number.

2552191091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552191091 is an equidigital number, since it uses as much as digits as its factorization.

2552191091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 35.

The square root of 2552191091 is about 50519.2150671405. The cubic root of 2552191091 is about 1366.5883983004.

The spelling of 2552191091 in words is "two billion, five hundred fifty-two million, one hundred ninety-one thousand, ninety-one".