521460063 has 6 divisors (see below), whose sum is σ = 753220104. Its totient is φ = 347640036.

The previous prime is 521460053. The next prime is 521460077. The reversal of 521460063 is 360064125.

521460063 is a `hidden beast` number, since 52 + 1 + 4 + 600 + 6 + 3 = 666.

It is not a de Polignac number, because 521460063 - 2⁵ = 521460031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521460053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28969995 + ... + 28970012.

It is an arithmetic number, because the mean of its divisors is an integer number (125536684).

Almost surely, 2^521460063 is an apocalyptic number.

521460063 is a deficient number, since it is larger than the sum of its proper divisors (231760041).

521460063 is a wasteful number, since it uses less digits than its factorization.

521460063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57940013 (or 57940010 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 521460063 is about 22835.5000602133. The cubic root of 521460063 is about 804.8970782605.

The spelling of 521460063 in words is "five hundred twenty-one million, four hundred sixty thousand, sixty-three".