522064643 has 2 divisors, whose sum is σ = 522064644. Its totient is φ = 522064642.

The previous prime is 522064637. The next prime is 522064651. The reversal of 522064643 is 346460225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 522064643 - 2²⁴ = 505287427 is a prime.

It is not a weakly prime, because it can be changed into another prime (522064243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261032321 + 261032322.

It is an arithmetic number, because the mean of its divisors is an integer number (261032322).

Almost surely, 2^522064643 is an apocalyptic number.

522064643 is a deficient number, since it is larger than the sum of its proper divisors (1).

522064643 is an equidigital number, since it uses as much as digits as its factorization.

522064643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 522064643 is about 22848.7339474204. The cubic root of 522064643 is about 805.2080236023.

The spelling of 522064643 in words is "five hundred twenty-two million, sixty-four thousand, six hundred forty-three".