52017247 has 2 divisors, whose sum is σ = 52017248. Its totient is φ = 52017246.

The previous prime is 52017223. The next prime is 52017253. The reversal of 52017247 is 74271025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52017247 - 2¹⁵ = 51984479 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52017347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26008623 + 26008624.

It is an arithmetic number, because the mean of its divisors is an integer number (26008624).

Almost surely, 2^52017247 is an apocalyptic number.

52017247 is a deficient number, since it is larger than the sum of its proper divisors (1).

52017247 is an equidigital number, since it uses as much as digits as its factorization.

52017247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 52017247 is about 7212.2983160710. The cubic root of 52017247 is about 373.2923769023.

The spelling of 52017247 in words is "fifty-two million, seventeen thousand, two hundred forty-seven".