5636965 has 4 divisors (see below), whose sum is σ = 6764364. Its totient is φ = 4509568.

The previous prime is 5636963. The next prime is 5636971. The reversal of 5636965 is 5696365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5696365 = 5 ⋅1139273.

It can be written as a sum of positive squares in 2 ways, for example, as 1954404 + 3682561 = 1398^2 + 1919^2 .

It is a cyclic number.

It is not a de Polignac number, because 5636965 - 2¹ = 5636963 is a prime.

It is a super-2 number, since 2×5636965² = 63550748822450, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5636963) 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, 563692 + ... + 563701.

It is an arithmetic number, because the mean of its divisors is an integer number (1691091).

Almost surely, 2^5636965 is an apocalyptic number.

It is an amenable number.

5636965 is a deficient number, since it is larger than the sum of its proper divisors (1127399).

5636965 is a wasteful number, since it uses less digits than its factorization.

5636965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127398.

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

The square root of 5636965 is about 2374.2293486519. The cubic root of 5636965 is about 177.9706743760.

The spelling of 5636965 in words is "five million, six hundred thirty-six thousand, nine hundred sixty-five".