52047287 has 2 divisors, whose sum is σ = 52047288. Its totient is φ = 52047286.

The previous prime is 52047209. The next prime is 52047311. The reversal of 52047287 is 78274025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52047287 - 2¹⁶ = 51981751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52047487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26023643 + 26023644.

It is an arithmetic number, because the mean of its divisors is an integer number (26023644).

Almost surely, 2^52047287 is an apocalyptic number.

52047287 is a deficient number, since it is larger than the sum of its proper divisors (1).

52047287 is an equidigital number, since it uses as much as digits as its factorization.

52047287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 52047287 is about 7214.3805693906. The cubic root of 52047287 is about 373.3642219518.

The spelling of 52047287 in words is "fifty-two million, forty-seven thousand, two hundred eighty-seven".