5951663 has 2 divisors, whose sum is σ = 5951664. Its totient is φ = 5951662.

The previous prime is 5951633. The next prime is 5951669. The reversal of 5951663 is 3661595.

5951663 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5951663 - 2⁶ = 5951599 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5951669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2975831 + 2975832.

It is an arithmetic number, because the mean of its divisors is an integer number (2975832).

Almost surely, 2^5951663 is an apocalyptic number.

5951663 is a deficient number, since it is larger than the sum of its proper divisors (1).

5951663 is an equidigital number, since it uses as much as digits as its factorization.

5951663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 35.

The square root of 5951663 is about 2439.6030414803. The cubic root of 5951663 is about 181.2227754591. Note that the first 3 decimals are identical.

The spelling of 5951663 in words is "five million, nine hundred fifty-one thousand, six hundred sixty-three".