2051284091 has 2 divisors, whose sum is σ = 2051284092. Its totient is φ = 2051284090.

The previous prime is 2051284063. The next prime is 2051284111. The reversal of 2051284091 is 1904821502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2051284091 - 2¹⁴ = 2051267707 is a prime.

It is not a weakly prime, because it can be changed into another prime (2051284051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025642045 + 1025642046.

It is an arithmetic number, because the mean of its divisors is an integer number (1025642046).

Almost surely, 2^2051284091 is an apocalyptic number.

2051284091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051284091 is an equidigital number, since it uses as much as digits as its factorization.

2051284091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 2051284091 is about 45291.1038836547. The cubic root of 2051284091 is about 1270.5992771793.

The spelling of 2051284091 in words is "two billion, fifty-one million, two hundred eighty-four thousand, ninety-one".