516570487 has 2 divisors, whose sum is σ = 516570488. Its totient is φ = 516570486.

The previous prime is 516570479. The next prime is 516570539. The reversal of 516570487 is 784075615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 516570487 - 2³ = 516570479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516573487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258285243 + 258285244.

It is an arithmetic number, because the mean of its divisors is an integer number (258285244).

Almost surely, 2^516570487 is an apocalyptic number.

516570487 is a deficient number, since it is larger than the sum of its proper divisors (1).

516570487 is an equidigital number, since it uses as much as digits as its factorization.

516570487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 516570487 is about 22728.1870592443. The cubic root of 516570487 is about 802.3734136504.

The spelling of 516570487 in words is "five hundred sixteen million, five hundred seventy thousand, four hundred eighty-seven".