5216657 has 4 divisors (see below), whose sum is σ = 5226276. Its totient is φ = 5207040.

The previous prime is 5216623. The next prime is 5216663. The reversal of 5216657 is 7566125.

It is a happy number.

It is a Cunningham number, because it is equal to 2284²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5180176 + 36481 = 2276^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 5216657 - 2¹² = 5212561 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5218657) 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, 3944 + ... + 5097.

It is an arithmetic number, because the mean of its divisors is an integer number (1306569).

Almost surely, 2^5216657 is an apocalyptic number.

It is an amenable number.

5216657 is a deficient number, since it is larger than the sum of its proper divisors (9619).

5216657 is an equidigital number, since it uses as much as digits as its factorization.

5216657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9618.

The product of its digits is 12600, while the sum is 32.

The square root of 5216657 is about 2284.0002189142. Note that the first 3 decimals coincide. The cubic root of 5216657 is about 173.4326103700.

The spelling of 5216657 in words is "five million, two hundred sixteen thousand, six hundred fifty-seven".