52684787 has 2 divisors, whose sum is σ = 52684788. Its totient is φ = 52684786.

The previous prime is 52684783. The next prime is 52684811. The reversal of 52684787 is 78748625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52684787 - 2² = 52684783 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52684783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26342393 + 26342394.

It is an arithmetic number, because the mean of its divisors is an integer number (26342394).

Almost surely, 2^52684787 is an apocalyptic number.

52684787 is a deficient number, since it is larger than the sum of its proper divisors (1).

52684787 is an equidigital number, since it uses as much as digits as its factorization.

52684787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 47.

The square root of 52684787 is about 7258.4286867062. The cubic root of 52684787 is about 374.8824212119.

The spelling of 52684787 in words is "fifty-two million, six hundred eighty-four thousand, seven hundred eighty-seven".