5251616 has 12 divisors (see below), whose sum is σ = 10339182. Its totient is φ = 2625792.

The previous prime is 5251607. The next prime is 5251627. The reversal of 5251616 is 6161525.

It can be written as a sum of positive squares in only one way, i.e., 4243600 + 1008016 = 2060^2 + 1004^2 .

It is a super-2 number, since 2×5251616² = 55158941222912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82025 + ... + 82088.

Almost surely, 2^5251616 is an apocalyptic number.

It is an amenable number.

5251616 is a deficient number, since it is larger than the sum of its proper divisors (5087566).

5251616 is a wasteful number, since it uses less digits than its factorization.

5251616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164123 (or 164115 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 5251616 is about 2291.6404604562. The cubic root of 5251616 is about 173.8191629834.

Subtracting 5251616 from its reverse (6161525), we obtain a palindrome (909909).

The spelling of 5251616 in words is "five million, two hundred fifty-one thousand, six hundred sixteen".