1028545256 has 32 divisors (see below), whose sum is σ = 1942212000. Its totient is φ = 510636096.

The previous prime is 1028545247. The next prime is 1028545261. The reversal of 1028545256 is 6525458201.

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 7 ways as a sum of consecutive naturals, for example, 1133555 + ... + 1134461.

It is an arithmetic number, because the mean of its divisors is an integer number (60694125).

Almost surely, 2^1028545256 is an apocalyptic number.

It is an amenable number.

1028545256 is a deficient number, since it is larger than the sum of its proper divisors (913666744).

1028545256 is a wasteful number, since it uses less digits than its factorization.

1028545256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 1028545256 is about 32070.9409902485. The cubic root of 1028545256 is about 1009.4259574973.

The spelling of 1028545256 in words is "one billion, twenty-eight million, five hundred forty-five thousand, two hundred fifty-six".