52587247 has 2 divisors, whose sum is σ = 52587248. Its totient is φ = 52587246.

The previous prime is 52587233. The next prime is 52587257. The reversal of 52587247 is 74278525.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52587247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52587217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26293623 + 26293624.

It is an arithmetic number, because the mean of its divisors is an integer number (26293624).

Almost surely, 2^52587247 is an apocalyptic number.

52587247 is a deficient number, since it is larger than the sum of its proper divisors (1).

52587247 is an equidigital number, since it uses as much as digits as its factorization.

52587247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156800, while the sum is 40.

The square root of 52587247 is about 7251.7064888204. The cubic root of 52587247 is about 374.6509273110.

The spelling of 52587247 in words is "fifty-two million, five hundred eighty-seven thousand, two hundred forty-seven".