2601091 has 2 divisors, whose sum is σ = 2601092. Its totient is φ = 2601090.

The previous prime is 2601089. The next prime is 2601127. The reversal of 2601091 is 1901062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2601091 - 2¹ = 2601089 is a prime.

Together with 2601089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2601041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300545 + 1300546.

It is an arithmetic number, because the mean of its divisors is an integer number (1300546).

2^2601091 is an apocalyptic number.

2601091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2601091 is an equidigital number, since it uses as much as digits as its factorization.

2601091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 2601091 is about 1612.7898189163. The cubic root of 2601091 is about 137.5261173529.

The spelling of 2601091 in words is "two million, six hundred one thousand, ninety-one".