52217573 has 2 divisors, whose sum is σ = 52217574. Its totient is φ = 52217572.

The previous prime is 52217569. The next prime is 52217579. The reversal of 52217573 is 37571225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51523684 + 693889 = 7178^2 + 833^2 .

It is a cyclic number.

It is not a de Polignac number, because 52217573 - 2² = 52217569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52217579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26108786 + 26108787.

It is an arithmetic number, because the mean of its divisors is an integer number (26108787).

Almost surely, 2^52217573 is an apocalyptic number.

It is an amenable number.

52217573 is a deficient number, since it is larger than the sum of its proper divisors (1).

52217573 is an equidigital number, since it uses as much as digits as its factorization.

52217573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14700, while the sum is 32.

The square root of 52217573 is about 7226.1727767886. The cubic root of 52217573 is about 373.7709641749.

Adding to 52217573 its reverse (37571225), we get a palindrome (89788798).

The spelling of 52217573 in words is "fifty-two million, two hundred seventeen thousand, five hundred seventy-three".