1028572093 has 2 divisors, whose sum is σ = 1028572094. Its totient is φ = 1028572092.

The previous prime is 1028572091. The next prime is 1028572109. The reversal of 1028572093 is 3902758201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 898680484 + 129891609 = 29978^2 + 11397^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028572093 - 2¹ = 1028572091 is a prime.

Together with 1028572091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028572091) 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 as a sum of consecutive naturals, namely, 514286046 + 514286047.

It is an arithmetic number, because the mean of its divisors is an integer number (514286047).

Almost surely, 2^1028572093 is an apocalyptic number.

It is an amenable number.

1028572093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028572093 is an equidigital number, since it uses as much as digits as its factorization.

1028572093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1028572093 is about 32071.3593880896. The cubic root of 1028572093 is about 1009.4347367995.

The spelling of 1028572093 in words is "one billion, twenty-eight million, five hundred seventy-two thousand, ninety-three".