2945111 has 4 divisors (see below), whose sum is σ = 3171672. Its totient is φ = 2718552.

The previous prime is 2945101. The next prime is 2945123. The reversal of 2945111 is 1115492.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2945111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113261 + ... + 113286.

It is an arithmetic number, because the mean of its divisors is an integer number (792918).

2^2945111 is an apocalyptic number.

2945111 is a deficient number, since it is larger than the sum of its proper divisors (226561).

2945111 is a wasteful number, since it uses less digits than its factorization.

2945111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226560.

The product of its digits is 360, while the sum is 23.

The square root of 2945111 is about 1716.1325706367. The cubic root of 2945111 is about 143.3399414056.

The spelling of 2945111 in words is "two million, nine hundred forty-five thousand, one hundred eleven".