520014487 has 2 divisors, whose sum is σ = 520014488. Its totient is φ = 520014486.

The previous prime is 520014463. The next prime is 520014503. The reversal of 520014487 is 784410025.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520014487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520012487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260007243 + 260007244.

It is an arithmetic number, because the mean of its divisors is an integer number (260007244).

Almost surely, 2^520014487 is an apocalyptic number.

520014487 is a deficient number, since it is larger than the sum of its proper divisors (1).

520014487 is an equidigital number, since it uses as much as digits as its factorization.

520014487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 520014487 is about 22803.8261482585. The cubic root of 520014487 is about 804.1526193733.

The spelling of 520014487 in words is "five hundred twenty million, fourteen thousand, four hundred eighty-seven".