525628028 has 12 divisors (see below), whose sum is σ = 920034360. Its totient is φ = 262761072.

The previous prime is 525628013. The next prime is 525628063. The reversal of 525628028 is 820826525.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 525627982 and 525628000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16550 + ... + 36402.

It is an arithmetic number, because the mean of its divisors is an integer number (76669530).

Almost surely, 2^525628028 is an apocalyptic number.

It is an amenable number.

525628028 is a deficient number, since it is larger than the sum of its proper divisors (394406332).

525628028 is a wasteful number, since it uses less digits than its factorization.

525628028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26476 (or 26474 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 525628028 is about 22926.5790732067. The cubic root of 525628028 is about 807.0358705016.

The spelling of 525628028 in words is "five hundred twenty-five million, six hundred twenty-eight thousand, twenty-eight".