2942563 has 8 divisors (see below), whose sum is σ = 3182256. Its totient is φ = 2704800.

The previous prime is 2942561. The next prime is 2942609. The reversal of 2942563 is 3652492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2942563 - 2¹ = 2942561 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 (2942561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5748 + ... + 6238.

It is an arithmetic number, because the mean of its divisors is an integer number (397782).

2^2942563 is an apocalyptic number.

2942563 is a deficient number, since it is larger than the sum of its proper divisors (239693).

2942563 is a wasteful number, since it uses less digits than its factorization.

2942563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965.

The product of its digits is 12960, while the sum is 31.

The square root of 2942563 is about 1715.3900431097. The cubic root of 2942563 is about 143.2985920247.

It can be divided in two parts, 29425 and 63, that multiplied together give a triangular number (1853775 = T₁₉₂₅).

The spelling of 2942563 in words is "two million, nine hundred forty-two thousand, five hundred sixty-three".