5666963 has 2 divisors, whose sum is σ = 5666964. Its totient is φ = 5666962.

The previous prime is 5666953. The next prime is 5666971. The reversal of 5666963 is 3696665.

Added to its reverse (3696665) it gives a triangular number (9363628 = T₄₃₂₇).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5666963 is a prime.

It is a super-2 number, since 2×5666963² = 64228939286738, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 5666963.

It is not a weakly prime, because it can be changed into another prime (5666953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833481 + 2833482.

It is an arithmetic number, because the mean of its divisors is an integer number (2833482).

Almost surely, 2^5666963 is an apocalyptic number.

5666963 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666963 is an equidigital number, since it uses as much as digits as its factorization.

5666963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 41.

The square root of 5666963 is about 2380.5383844836. The cubic root of 5666963 is about 178.2858156994.

Adding to 5666963 its reverse (3696665), we get a triangular number (9363628 = T₄₃₂₇).

The spelling of 5666963 in words is "five million, six hundred sixty-six thousand, nine hundred sixty-three".