525303500 has 48 divisors (see below), whose sum is σ = 1159197312. Its totient is φ = 207936000.

The previous prime is 525303487. The next prime is 525303503. The reversal of 525303500 is 5303525.

It is a happy number.

It is a super-2 number, since 2×525303500² = 551887534224500000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525303503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43085 + ... + 53915.

It is an arithmetic number, because the mean of its divisors is an integer number (24149944).

Almost surely, 2^525303500 is an apocalyptic number.

525303500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525303500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579598656).

525303500 is an abundant number, since it is smaller than the sum of its proper divisors (633893812).

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

525303500 is a wasteful number, since it uses less digits than its factorization.

525303500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10947 (or 10935 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 525303500 is about 22919.5004308558. The cubic root of 525303500 is about 806.8697456360.

The spelling of 525303500 in words is "five hundred twenty-five million, three hundred three thousand, five hundred".