5289661 has 8 divisors (see below), whose sum is σ = 5750360. Its totient is φ = 4836672.

The previous prime is 5289659. The next prime is 5289667. The reversal of 5289661 is 1669825.

5289661 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 4 ways, for example, as 532900 + 4756761 = 730^2 + 2181^2 .

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 5289661 - 2¹ = 5289659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5289661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5289667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450 + ... + 3283.

It is an arithmetic number, because the mean of its divisors is an integer number (718795).

Almost surely, 2^5289661 is an apocalyptic number.

It is an amenable number.

5289661 is a deficient number, since it is larger than the sum of its proper divisors (460699).

5289661 is a wasteful number, since it uses less digits than its factorization.

5289661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855.

The product of its digits is 25920, while the sum is 37.

The square root of 5289661 is about 2299.9263031671. The cubic root of 5289661 is about 174.2378940930.

The spelling of 5289661 in words is "five million, two hundred eighty-nine thousand, six hundred sixty-one".