492561524 has 72 divisors (see below), whose sum is σ = 1093962240. Its totient is φ = 192314304.

The previous prime is 492561523. The next prime is 492561539. The reversal of 492561524 is 425165294.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492561521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200069 + ... + 202515.

It is an arithmetic number, because the mean of its divisors is an integer number (15193920).

Almost surely, 2^492561524 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 492561524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546981120).

492561524 is an abundant number, since it is smaller than the sum of its proper divisors (601400716).

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

492561524 is a wasteful number, since it uses less digits than its factorization.

492561524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557 (or 2548 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 492561524 is about 22193.7271317821. The cubic root of 492561524 is about 789.7448965349.

The spelling of 492561524 in words is "four hundred ninety-two million, five hundred sixty-one thousand, five hundred twenty-four".