1057276091 has 2 divisors, whose sum is σ = 1057276092. Its totient is φ = 1057276090.

The previous prime is 1057276079. The next prime is 1057276153. The reversal of 1057276091 is 1906727501.

1057276091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1057276091 is a prime.

It is a super-2 number, since 2×1057276091² = 2235665465200480562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1057276001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528638045 + 528638046.

It is an arithmetic number, because the mean of its divisors is an integer number (528638046).

Almost surely, 2^1057276091 is an apocalyptic number.

1057276091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057276091 is an equidigital number, since it uses as much as digits as its factorization.

1057276091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 1057276091 is about 32515.7821834259. The cubic root of 1057276091 is about 1018.7386982273.

The spelling of 1057276091 in words is "one billion, fifty-seven million, two hundred seventy-six thousand, ninety-one".