5656963 has 4 divisors (see below), whose sum is σ = 6092128. Its totient is φ = 5221800.

The previous prime is 5656949. The next prime is 5656969. The reversal of 5656963 is 3696565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5656963 - 2¹³ = 5648771 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

5656963 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5656969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217563 + ... + 217588.

It is an arithmetic number, because the mean of its divisors is an integer number (1523032).

Almost surely, 2^5656963 is an apocalyptic number.

5656963 is a deficient number, since it is larger than the sum of its proper divisors (435165).

5656963 is a wasteful number, since it uses less digits than its factorization.

5656963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435164.

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

The square root of 5656963 is about 2378.4370918736. The cubic root of 5656963 is about 178.1808854295.

The spelling of 5656963 in words is "five million, six hundred fifty-six thousand, nine hundred sixty-three".