521896063 has 8 divisors (see below), whose sum is σ = 577232768. Its totient is φ = 468729504.

The previous prime is 521895973. The next prime is 521896069. The reversal of 521896063 is 360698125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-521896063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521896069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542031 + ... + 542992.

It is an arithmetic number, because the mean of its divisors is an integer number (72154096).

Almost surely, 2^521896063 is an apocalyptic number.

521896063 is a deficient number, since it is larger than the sum of its proper divisors (55336705).

521896063 is a wasteful number, since it uses less digits than its factorization.

521896063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085073.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 521896063 is about 22845.0446049028. The cubic root of 521896063 is about 805.1213443096.

The spelling of 521896063 in words is "five hundred twenty-one million, eight hundred ninety-six thousand, sixty-three".