275057791 has 2 divisors, whose sum is σ = 275057792. Its totient is φ = 275057790.

The previous prime is 275057753. The next prime is 275057803. The reversal of 275057791 is 197750572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275057791 - 2²⁵ = 241503359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275057491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137528895 + 137528896.

It is an arithmetic number, because the mean of its divisors is an integer number (137528896).

Almost surely, 2^275057791 is an apocalyptic number.

275057791 is a deficient number, since it is larger than the sum of its proper divisors (1).

275057791 is an equidigital number, since it uses as much as digits as its factorization.

275057791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 154350, while the sum is 43.

The square root of 275057791 is about 16584.8663244537. The cubic root of 275057791 is about 650.3412732535.

The spelling of 275057791 in words is "two hundred seventy-five million, fifty-seven thousand, seven hundred ninety-one".