2791063 has 4 divisors (see below), whose sum is σ = 3044808. Its totient is φ = 2537320.

The previous prime is 2791057. The next prime is 2791069. The reversal of 2791063 is 3601972.

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

It is an interprime number because it is at equal distance from previous prime (2791057) and next prime (2791069).

It is a cyclic number.

It is not a de Polignac number, because 2791063 - 2⁵ = 2791031 is a prime.

It is a Duffinian number.

2791063 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2791069) 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, 126856 + ... + 126877.

It is an arithmetic number, because the mean of its divisors is an integer number (761202).

2^2791063 is an apocalyptic number.

2791063 is a deficient number, since it is larger than the sum of its proper divisors (253745).

2791063 is a wasteful number, since it uses less digits than its factorization.

2791063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253744.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2791063 is about 1670.6474792726. The cubic root of 2791063 is about 140.7958583654.

The spelling of 2791063 in words is "two million, seven hundred ninety-one thousand, sixty-three".