1028025701 has 2 divisors, whose sum is σ = 1028025702. Its totient is φ = 1028025700.

The previous prime is 1028025697. The next prime is 1028025703. The reversal of 1028025701 is 1075208201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 829497601 + 198528100 = 28801^2 + 14090^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028025701 - 2² = 1028025697 is a prime.

Together with 1028025703, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028025703) by changing a digit.

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 as a sum of consecutive naturals, namely, 514012850 + 514012851.

It is an arithmetic number, because the mean of its divisors is an integer number (514012851).

Almost surely, 2^1028025701 is an apocalyptic number.

It is an amenable number.

1028025701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028025701 is an equidigital number, since it uses as much as digits as its factorization.

1028025701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 1028025701 is about 32062.8398773409. The cubic root of 1028025701 is about 1009.2559631512.

The spelling of 1028025701 in words is "one billion, twenty-eight million, twenty-five thousand, seven hundred one".