5215517 has 2 divisors, whose sum is σ = 5215518. Its totient is φ = 5215516.

The previous prime is 5215499. The next prime is 5215537. The reversal of 5215517 is 7155125.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4778596 + 436921 = 2186^2 + 661^2 .

It is a cyclic number.

It is not a de Polignac number, because 5215517 - 2¹² = 5211421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5215537) 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 as a sum of consecutive naturals, namely, 2607758 + 2607759.

It is an arithmetic number, because the mean of its divisors is an integer number (2607759).

Almost surely, 2^5215517 is an apocalyptic number.

It is an amenable number.

5215517 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215517 is an equidigital number, since it uses as much as digits as its factorization.

5215517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1750, while the sum is 26.

The square root of 5215517 is about 2283.7506431307. The cubic root of 5215517 is about 173.4199759964.

The spelling of 5215517 in words is "five million, two hundred fifteen thousand, five hundred seventeen".