5281616 has 20 divisors (see below), whose sum is σ = 10350900. Its totient is φ = 2610432.

The previous prime is 5281613. The next prime is 5281631. The reversal of 5281616 is 6161825.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1201216 + 4080400 = 1096^2 + 2020^2 .

5281616 is a modest number, since divided by 1616 gives 528 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281613) 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, 431 + ... + 3278.

It is an arithmetic number, because the mean of its divisors is an integer number (517545).

Almost surely, 2^5281616 is an apocalyptic number.

It is an amenable number.

5281616 is a deficient number, since it is larger than the sum of its proper divisors (5069284).

5281616 is a wasteful number, since it uses less digits than its factorization.

5281616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806 (or 3800 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 5281616 is about 2298.1766685788. The cubic root of 5281616 is about 174.1495169681.

The spelling of 5281616 in words is "five million, two hundred eighty-one thousand, six hundred sixteen".