521662482 has 96 divisors (see below), whose sum is σ = 1307764224. Its totient is φ = 148780800.

The previous prime is 521662481. The next prime is 521662523. The reversal of 521662482 is 284266125.

It is a happy number.

521662482 is a `hidden beast` number, since 5 + 21 + 6 + 624 + 8 + 2 = 666.

It is a super-5 number, since 5×521662482⁵ (a number of 45 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (521662481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 225958 + ... + 228254.

It is an arithmetic number, because the mean of its divisors is an integer number (13622544).

Almost surely, 2^521662482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 521662482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653882112).

521662482 is an abundant number, since it is smaller than the sum of its proper divisors (786101742).

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

521662482 is a wasteful number, since it uses less digits than its factorization.

521662482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384 (or 2381 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 521662482 is about 22839.9317424549. The cubic root of 521662482 is about 805.0012124000.

The spelling of 521662482 in words is "five hundred twenty-one million, six hundred sixty-two thousand, four hundred eighty-two".