2945611 has 2 divisors, whose sum is σ = 2945612. Its totient is φ = 2945610.

The previous prime is 2945609. The next prime is 2945639. The reversal of 2945611 is 1165492.

It is an a-pointer prime, because the next prime (2945639) can be obtained adding 2945611 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2945611 - 2¹ = 2945609 is a prime.

Together with 2945609, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2945611.

It is not a weakly prime, because it can be changed into another prime (2945711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1472805 + 1472806.

It is an arithmetic number, because the mean of its divisors is an integer number (1472806).

2^2945611 is an apocalyptic number.

2945611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2945611 is an equidigital number, since it uses as much as digits as its factorization.

2945611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 28.

The square root of 2945611 is about 1716.2782408456. The cubic root of 2945611 is about 143.3480526918.

The spelling of 2945611 in words is "two million, nine hundred forty-five thousand, six hundred eleven".