5991653 has 2 divisors, whose sum is σ = 5991654. Its totient is φ = 5991652.

The previous prime is 5991641. The next prime is 5991659. The reversal of 5991653 is 3561995.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5987809 + 3844 = 2447^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 5991653 - 2⁶ = 5991589 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5991659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2995826 + 2995827.

It is an arithmetic number, because the mean of its divisors is an integer number (2995827).

Almost surely, 2^5991653 is an apocalyptic number.

It is an amenable number.

5991653 is a deficient number, since it is larger than the sum of its proper divisors (1).

5991653 is an equidigital number, since it uses as much as digits as its factorization.

5991653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36450, while the sum is 38.

The square root of 5991653 is about 2447.7853255545. The cubic root of 5991653 is about 181.6277562580.

The spelling of 5991653 in words is "five million, nine hundred ninety-one thousand, six hundred fifty-three".