5640511 has 8 divisors (see below), whose sum is σ = 5962880. Its totient is φ = 5320728.

The previous prime is 5640463. The next prime is 5640527. The reversal of 5640511 is 1150465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5640511 - 2²¹ = 3543359 is a prime.

It is a super-2 number, since 2×5640511² = 63630728682242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5350 + ... + 6316.

It is an arithmetic number, because the mean of its divisors is an integer number (745360).

Almost surely, 2^5640511 is an apocalyptic number.

5640511 is a deficient number, since it is larger than the sum of its proper divisors (322369).

5640511 is a wasteful number, since it uses less digits than its factorization.

5640511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 5640511 is about 2374.9759998787. The cubic root of 5640511 is about 178.0079847447.

Adding to 5640511 its reverse (1150465), we get a palindrome (6790976).

The spelling of 5640511 in words is "five million, six hundred forty thousand, five hundred eleven".