5666953 has 2 divisors, whose sum is σ = 5666954. Its totient is φ = 5666952.

The previous prime is 5666951. The next prime is 5666963. The reversal of 5666953 is 3596665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3892729 + 1774224 = 1973^2 + 1332^2 .

It is a cyclic number.

It is not a de Polignac number, because 5666953 - 2¹ = 5666951 is a prime.

It is a super-2 number, since 2×5666953² = 64228712608418, which contains 22 as substring.

Together with 5666951, it forms a pair of twin primes.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (5666951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833476 + 2833477.

It is an arithmetic number, because the mean of its divisors is an integer number (2833477).

Almost surely, 2^5666953 is an apocalyptic number.

It is an amenable number.

5666953 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666953 is an equidigital number, since it uses as much as digits as its factorization.

5666953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 40.

The square root of 5666953 is about 2380.5362841175. The cubic root of 5666953 is about 178.2857108309.

The spelling of 5666953 in words is "five million, six hundred sixty-six thousand, nine hundred fifty-three".