52117253 has 2 divisors, whose sum is σ = 52117254. Its totient is φ = 52117252.

The previous prime is 52117213. The next prime is 52117259. The reversal of 52117253 is 35271125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37540129 + 14577124 = 6127^2 + 3818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52117253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52117259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26058626 + 26058627.

It is an arithmetic number, because the mean of its divisors is an integer number (26058627).

Almost surely, 2^52117253 is an apocalyptic number.

It is an amenable number.

52117253 is a deficient number, since it is larger than the sum of its proper divisors (1).

52117253 is an equidigital number, since it uses as much as digits as its factorization.

52117253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2100, while the sum is 26.

The square root of 52117253 is about 7219.2280058189. The cubic root of 52117253 is about 373.5314487562.

Adding to 52117253 its reverse (35271125), we get a palindrome (87388378).

The spelling of 52117253 in words is "fifty-two million, one hundred seventeen thousand, two hundred fifty-three".