1028952791 has 2 divisors, whose sum is σ = 1028952792. Its totient is φ = 1028952790.

The previous prime is 1028952779. The next prime is 1028952823. The reversal of 1028952791 is 1972598201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1028952791 - 2¹⁰ = 1028951767 is a prime.

It is a super-2 number, since 2×1028952791² = 2117487692213379362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028952091) 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, 514476395 + 514476396.

It is an arithmetic number, because the mean of its divisors is an integer number (514476396).

Almost surely, 2^1028952791 is an apocalyptic number.

1028952791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028952791 is an equidigital number, since it uses as much as digits as its factorization.

1028952791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 1028952791 is about 32077.2940099379. The cubic root of 1028952791 is about 1009.5592597138.

The spelling of 1028952791 in words is "one billion, twenty-eight million, nine hundred fifty-two thousand, seven hundred ninety-one".