5656493 has 2 divisors, whose sum is σ = 5656494. Its totient is φ = 5656492.

The previous prime is 5656489. The next prime is 5656549. The reversal of 5656493 is 3946565.

5656493 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3771364 + 1885129 = 1942^2 + 1373^2 .

It is a cyclic number.

It is not a de Polignac number, because 5656493 - 2² = 5656489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5656423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828246 + 2828247.

It is an arithmetic number, because the mean of its divisors is an integer number (2828247).

Almost surely, 2^5656493 is an apocalyptic number.

It is an amenable number.

5656493 is a deficient number, since it is larger than the sum of its proper divisors (1).

5656493 is an equidigital number, since it uses as much as digits as its factorization.

5656493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 38.

The square root of 5656493 is about 2378.3382854422. The cubic root of 5656493 is about 178.1759506653.

The spelling of 5656493 in words is "five million, six hundred fifty-six thousand, four hundred ninety-three".