2920563 has 16 divisors (see below), whose sum is σ = 4515840. Its totient is φ = 1861992.

The previous prime is 2920543. The next prime is 2920571. The reversal of 2920563 is 3650292.

It is not a de Polignac number, because 2920563 - 2⁵ = 2920531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2920513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1731 + ... + 2972.

It is an arithmetic number, because the mean of its divisors is an integer number (282240).

2^2920563 is an apocalyptic number.

2920563 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2920563 is a deficient number, since it is larger than the sum of its proper divisors (1595277).

2920563 is a wasteful number, since it uses less digits than its factorization.

2920563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4735 (or 4729 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2920563 is about 1708.9654765384. The cubic root of 2920563 is about 142.9405755016.

The spelling of 2920563 in words is "two million, nine hundred twenty thousand, five hundred sixty-three".