521063532 has 216 divisors, whose sum is σ = 1589056560. Its totient is φ = 142571520.

The previous prime is 521063527. The next prime is 521063537. The reversal of 521063532 is 235360125.

521063532 is a `hidden beast` number, since 5 + 21 + 0 + 635 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (521063527) and next prime (521063537).

It is a junction number, because it is equal to n+sod(n) for n = 521063496 and 521063505.

It is not an unprimeable number, because it can be changed into a prime (521063537) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3318798 + ... + 3318954.

Almost surely, 2^521063532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 521063532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794528280).

521063532 is an abundant number, since it is smaller than the sum of its proper divisors (1067993028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

521063532 is a wasteful number, since it uses less digits than its factorization.

521063532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 521063532 is about 22826.8160723304. The cubic root of 521063532 is about 804.6930053756.

The spelling of 521063532 in words is "five hundred twenty-one million, sixty-three thousand, five hundred thirty-two".