5193661 has 4 divisors (see below), whose sum is σ = 5665824. Its totient is φ = 4721500.

The previous prime is 5193649. The next prime is 5193667. The reversal of 5193661 is 1663915.

5193661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5193661 - 2¹⁵ = 5160893 is a prime.

It is a super-2 number, since 2×5193661² = 53948229165842, 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 (5193667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236065 + ... + 236086.

It is an arithmetic number, because the mean of its divisors is an integer number (1416456).

Almost surely, 2^5193661 is an apocalyptic number.

It is an amenable number.

5193661 is a deficient number, since it is larger than the sum of its proper divisors (472163).

5193661 is a wasteful number, since it uses less digits than its factorization.

5193661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472162.

The product of its digits is 4860, while the sum is 31.

The square root of 5193661 is about 2278.9605086530. The cubic root of 5193661 is about 173.1773938568.

The spelling of 5193661 in words is "five million, one hundred ninety-three thousand, six hundred sixty-one".