520296487 has 2 divisors, whose sum is σ = 520296488. Its totient is φ = 520296486.

The previous prime is 520296481. The next prime is 520296559. The reversal of 520296487 is 784692025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520296487 - 2¹⁹ = 519772199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520296481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260148243 + 260148244.

It is an arithmetic number, because the mean of its divisors is an integer number (260148244).

Almost surely, 2^520296487 is an apocalyptic number.

520296487 is a deficient number, since it is larger than the sum of its proper divisors (1).

520296487 is an equidigital number, since it uses as much as digits as its factorization.

520296487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 520296487 is about 22810.0084831199. The cubic root of 520296487 is about 804.2979551057.

The spelling of 520296487 in words is "five hundred twenty million, two hundred ninety-six thousand, four hundred eighty-seven".