52205217 has 8 divisors (see below), whose sum is σ = 73270560. Its totient is φ = 32971680.

The previous prime is 52205213. The next prime is 52205221. The reversal of 52205217 is 71250225.

It is an interprime number because it is at equal distance from previous prime (52205213) and next prime (52205221).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52205217 - 2² = 52205213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52205213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457884 + ... + 457997.

It is an arithmetic number, because the mean of its divisors is an integer number (9158820).

Almost surely, 2^52205217 is an apocalyptic number.

52205217 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

52205217 is a deficient number, since it is larger than the sum of its proper divisors (21065343).

52205217 is a wasteful number, since it uses less digits than its factorization.

52205217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915903.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 52205217 is about 7225.3177784787. The cubic root of 52205217 is about 373.7414806244.

The spelling of 52205217 in words is "fifty-two million, two hundred five thousand, two hundred seventeen".