525576228 has 24 divisors (see below), whose sum is σ = 1232770560. Its totient is φ = 174274080.

The previous prime is 525576223. The next prime is 525576329. The reversal of 525576228 is 822675525.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 525576228.

It is not an unprimeable number, because it can be changed into a prime (525576223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112363 + ... + 116946.

It is an arithmetic number, because the mean of its divisors is an integer number (51365440).

Almost surely, 2^525576228 is an apocalyptic number.

It is an amenable number.

525576228 is an abundant number, since it is smaller than the sum of its proper divisors (707194332).

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

525576228 is a wasteful number, since it uses less digits than its factorization.

525576228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229507 (or 229505 counting only the distinct ones).

The product of its digits is 336000, while the sum is 42.

The square root of 525576228 is about 22925.4493521937. The cubic root of 525576228 is about 807.0093588310.

It can be divided in two parts, 52557 and 6228, that added together give a palindrome (58785).

The spelling of 525576228 in words is "five hundred twenty-five million, five hundred seventy-six thousand, two hundred twenty-eight".