510985523 has 2 divisors, whose sum is σ = 510985524. Its totient is φ = 510985522.

The previous prime is 510985513. The next prime is 510985589. The reversal of 510985523 is 325589015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 510985523 - 2⁶ = 510985459 is a prime.

It is a super-2 number, since 2×510985523² = 522212409431167058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (510985513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255492761 + 255492762.

It is an arithmetic number, because the mean of its divisors is an integer number (255492762).

Almost surely, 2^510985523 is an apocalyptic number.

510985523 is a deficient number, since it is larger than the sum of its proper divisors (1).

510985523 is an equidigital number, since it uses as much as digits as its factorization.

510985523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 510985523 is about 22604.9888962592. The cubic root of 510985523 is about 799.4712772047.

The spelling of 510985523 in words is "five hundred ten million, nine hundred eighty-five thousand, five hundred twenty-three".