522478067 has 4 divisors (see below), whose sum is σ = 524147640. Its totient is φ = 520808496.

The previous prime is 522478057. The next prime is 522478069. The reversal of 522478067 is 760874225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 522478067 - 2¹⁴ = 522461683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522478069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834317 + ... + 834942.

It is an arithmetic number, because the mean of its divisors is an integer number (131036910).

Almost surely, 2^522478067 is an apocalyptic number.

522478067 is a deficient number, since it is larger than the sum of its proper divisors (1669573).

522478067 is a wasteful number, since it uses less digits than its factorization.

522478067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669572.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 522478067 is about 22857.7791353403. The cubic root of 522478067 is about 805.4205161179.

The spelling of 522478067 in words is "five hundred twenty-two million, four hundred seventy-eight thousand, sixty-seven".