52387147 has 2 divisors, whose sum is σ = 52387148. Its totient is φ = 52387146.

The previous prime is 52387141. The next prime is 52387157. The reversal of 52387147 is 74178325.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52387147 is a prime.

It is not a weakly prime, because it can be changed into another prime (52387141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26193573 + 26193574.

It is an arithmetic number, because the mean of its divisors is an integer number (26193574).

Almost surely, 2^52387147 is an apocalyptic number.

52387147 is a deficient number, since it is larger than the sum of its proper divisors (1).

52387147 is an equidigital number, since it uses as much as digits as its factorization.

52387147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 37.

The square root of 52387147 is about 7237.8965867163. The cubic root of 52387147 is about 374.1751279303.

The spelling of 52387147 in words is "fifty-two million, three hundred eighty-seven thousand, one hundred forty-seven".