528725460 has 48 divisors (see below), whose sum is σ = 1528192512. Its totient is φ = 136444800.

The previous prime is 528725459. The next prime is 528725479. The reversal of 528725460 is 64527825.

It is a super-2 number, since 2×528725460² = 559101224104423200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 140271 + ... + 143990.

It is an arithmetic number, because the mean of its divisors is an integer number (31837344).

Almost surely, 2^528725460 is an apocalyptic number.

It is an amenable number.

528725460 is an abundant number, since it is smaller than the sum of its proper divisors (999467052).

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

528725460 is a wasteful number, since it uses less digits than its factorization.

528725460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284304 (or 284302 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 528725460 is about 22994.0309645786. The cubic root of 528725460 is about 808.6180061808.

The spelling of 528725460 in words is "five hundred twenty-eight million, seven hundred twenty-five thousand, four hundred sixty".