52017217 has 4 divisors (see below), whose sum is σ = 59448256. Its totient is φ = 44586180.

The previous prime is 52017211. The next prime is 52017223. The reversal of 52017217 is 71271025.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (52017211) and next prime (52017223).

It is a cyclic number.

It is not a de Polignac number, because 52017217 - 2³ = 52017209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52017191 and 52017200.

It is not an unprimeable number, because it can be changed into a prime (52017211) 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 3 ways as a sum of consecutive naturals, for example, 3715509 + ... + 3715522.

It is an arithmetic number, because the mean of its divisors is an integer number (14862064).

Almost surely, 2^52017217 is an apocalyptic number.

It is an amenable number.

52017217 is a deficient number, since it is larger than the sum of its proper divisors (7431039).

52017217 is an equidigital number, since it uses as much as digits as its factorization.

52017217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7431038.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 52017217 is about 7212.2962362898. The cubic root of 52017217 is about 373.2923051391.

The spelling of 52017217 in words is "fifty-two million, seventeen thousand, two hundred seventeen".