521284088532 has 24 divisors (see below), whose sum is σ = 1216362353472. Its totient is φ = 173756675200.

The previous prime is 521284088531. The next prime is 521284088543. The reversal of 521284088532 is 235880482125.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521284088531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106944 + ... + 1026647.

It is an arithmetic number, because the mean of its divisors is an integer number (50681764728).

Almost surely, 2^521284088532 is an apocalyptic number.

It is an amenable number.

521284088532 is an abundant number, since it is smaller than the sum of its proper divisors (695078264940).

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

521284088532 is a wasteful number, since it uses less digits than its factorization.

521284088532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171919 (or 1171917 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 48.

The spelling of 521284088532 in words is "five hundred twenty-one billion, two hundred eighty-four million, eighty-eight thousand, five hundred thirty-two".