5288661 has 24 divisors (see below), whose sum is σ = 8812544. Its totient is φ = 2993760.

The previous prime is 5288659. The next prime is 5288681. The reversal of 5288661 is 1668825.

It is a happy number.

It is not a de Polignac number, because 5288661 - 2¹ = 5288659 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5288641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7671 + ... + 8331.

Almost surely, 2^5288661 is an apocalyptic number.

It is an amenable number.

5288661 is a deficient number, since it is larger than the sum of its proper divisors (3523883).

5288661 is a wasteful number, since it uses less digits than its factorization.

5288661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 798 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 5288661 is about 2299.7088946212. The cubic root of 5288661 is about 174.2269136240.

The spelling of 5288661 in words is "five million, two hundred eighty-eight thousand, six hundred sixty-one".