2945191 has 2 divisors, whose sum is σ = 2945192. Its totient is φ = 2945190.

The previous prime is 2945179. The next prime is 2945203. The reversal of 2945191 is 1915492.

It is a balanced prime because it is at equal distance from previous prime (2945179) and next prime (2945203).

It is a cyclic number.

It is not a de Polignac number, because 2945191 - 2⁹ = 2944679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2945101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1472595 + 1472596.

It is an arithmetic number, because the mean of its divisors is an integer number (1472596).

2^2945191 is an apocalyptic number.

2945191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2945191 is an equidigital number, since it uses as much as digits as its factorization.

2945191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 31.

The square root of 2945191 is about 1716.1558787010. The cubic root of 2945191 is about 143.3412392731.

It can be divided in two parts, 2945 and 191, that added together give a square (3136 = 56²).

The spelling of 2945191 in words is "two million, nine hundred forty-five thousand, one hundred ninety-one".