2650091 has 2 divisors, whose sum is σ = 2650092. Its totient is φ = 2650090.

The previous prime is 2650073. The next prime is 2650093. The reversal of 2650091 is 1900562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2650091 - 2⁶ = 2650027 is a prime.

Together with 2650093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2650093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325045 + 1325046.

It is an arithmetic number, because the mean of its divisors is an integer number (1325046).

2^2650091 is an apocalyptic number.

2650091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650091 is an equidigital number, since it uses as much as digits as its factorization.

2650091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 2650091 is about 1627.9100097978. The cubic root of 2650091 is about 138.3843343501.

The spelling of 2650091 in words is "two million, six hundred fifty thousand, ninety-one".