525283328 has 52 divisors (see below), whose sum is σ = 1056639000. Its totient is φ = 261095424.

The previous prime is 525283321. The next prime is 525283331. The reversal of 525283328 is 823382525.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 525283291 and 525283300.

It is not an unprimeable number, because it can be changed into a prime (525283321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052423 + ... + 1052921.

Almost surely, 2^525283328 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 525283328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528319500).

525283328 is an abundant number, since it is smaller than the sum of its proper divisors (531355672).

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

525283328 is an equidigital number, since it uses as much as digits as its factorization.

525283328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 758 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 525283328 is about 22919.0603646834. The cubic root of 525283328 is about 806.8594173941.

The spelling of 525283328 in words is "five hundred twenty-five million, two hundred eighty-three thousand, three hundred twenty-eight".