525545472 has 104 divisors (see below), whose sum is σ = 1475690560. Its totient is φ = 165888000.

The previous prime is 525545401. The next prime is 525545473. The reversal of 525545472 is 274545525.

It is a self number, because there is not a number n which added to its sum of digits gives 525545472.

It is not an unprimeable number, because it can be changed into a prime (525545473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232347 + ... + 234597.

Almost surely, 2^525545472 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 525545472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737845280).

525545472 is an abundant number, since it is smaller than the sum of its proper divisors (950145088).

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

525545472 is a wasteful number, since it uses less digits than its factorization.

525545472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297 (or 2275 counting only the distinct ones).

The product of its digits is 280000, while the sum is 39.

The square root of 525545472 is about 22924.7785594540. The cubic root of 525545472 is about 806.9936168303.

The spelling of 525545472 in words is "five hundred twenty-five million, five hundred forty-five thousand, four hundred seventy-two".