5641533 has 6 divisors (see below), whose sum is σ = 8148894. Its totient is φ = 3761016.

The previous prime is 5641529. The next prime is 5641541. The reversal of 5641533 is 3351465.

It can be written as a sum of positive squares in only one way, i.e., 5631129 + 10404 = 2373^2 + 102^2 .

It is not a de Polignac number, because 5641533 - 2² = 5641529 is a prime.

It is a Curzon number.

5641533 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5641497 and 5641506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313410 + ... + 313427.

It is an arithmetic number, because the mean of its divisors is an integer number (1358149).

Almost surely, 2^5641533 is an apocalyptic number.

It is an amenable number.

5641533 is a deficient number, since it is larger than the sum of its proper divisors (2507361).

5641533 is a wasteful number, since it uses less digits than its factorization.

5641533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626843 (or 626840 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 5641533 is about 2375.1911502024. The cubic root of 5641533 is about 178.0187351403.

Adding to 5641533 its reverse (3351465), we get a palindrome (8992998).

The spelling of 5641533 in words is "five million, six hundred forty-one thousand, five hundred thirty-three".