5606491 has 4 divisors (see below), whose sum is σ = 6116184. Its totient is φ = 5096800.

The previous prime is 5606477. The next prime is 5606509. The reversal of 5606491 is 1946065.

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 5606491 - 2¹⁵ = 5573723 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5606431) 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, 254830 + ... + 254851.

It is an arithmetic number, because the mean of its divisors is an integer number (1529046).

Almost surely, 2^5606491 is an apocalyptic number.

5606491 is a deficient number, since it is larger than the sum of its proper divisors (509693).

5606491 is a wasteful number, since it uses less digits than its factorization.

5606491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509692.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 5606491 is about 2367.8029901155. The cubic root of 5606491 is about 177.6493855808.

The spelling of 5606491 in words is "five million, six hundred six thousand, four hundred ninety-one".