521132963 has 6 divisors (see below), whose sum is σ = 564303924. Its totient is φ = 481045656.

The previous prime is 521132957. The next prime is 521133029. The reversal of 521132963 is 369231125.

It is not a de Polignac number, because 521132963 - 2⁸ = 521132707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (521132923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1541645 + ... + 1541982.

It is an arithmetic number, because the mean of its divisors is an integer number (94050654).

Almost surely, 2^521132963 is an apocalyptic number.

521132963 is a deficient number, since it is larger than the sum of its proper divisors (43170961).

521132963 is a wasteful number, since it uses less digits than its factorization.

521132963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083653 (or 3083640 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 521132963 is about 22828.3368426173. The cubic root of 521132963 is about 804.7287452008.

The spelling of 521132963 in words is "five hundred twenty-one million, one hundred thirty-two thousand, nine hundred sixty-three".