520586887 has 2 divisors, whose sum is σ = 520586888. Its totient is φ = 520586886.

The previous prime is 520586879. The next prime is 520586933. The reversal of 520586887 is 788685025.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520586887 - 2³ = 520586879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520586887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520586827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260293443 + 260293444.

It is an arithmetic number, because the mean of its divisors is an integer number (260293444).

Almost surely, 2^520586887 is an apocalyptic number.

520586887 is a deficient number, since it is larger than the sum of its proper divisors (1).

520586887 is an equidigital number, since it uses as much as digits as its factorization.

520586887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1075200, while the sum is 49.

The square root of 520586887 is about 22816.3732218773. The cubic root of 520586887 is about 804.4475651137.

The spelling of 520586887 in words is "five hundred twenty million, five hundred eighty-six thousand, eight hundred eighty-seven".