525025228 has 24 divisors (see below), whose sum is σ = 1130824352. Its totient is φ = 207702144.

The previous prime is 525025223. The next prime is 525025243. The reversal of 525025228 is 822520525.

It is a self number, because there is not a number n which added to its sum of digits gives 525025228.

It is not an unprimeable number, because it can be changed into a prime (525025223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720825 + ... + 721552.

Almost surely, 2^525025228 is an apocalyptic number.

It is an amenable number.

525025228 is an abundant number, since it is smaller than the sum of its proper divisors (605799124).

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

525025228 is a wasteful number, since it uses less digits than its factorization.

525025228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442401 (or 1442399 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 525025228 is about 22913.4289882593. The cubic root of 525025228 is about 806.7272445761.

The spelling of 525025228 in words is "five hundred twenty-five million, twenty-five thousand, two hundred twenty-eight".