275719901 has 2 divisors, whose sum is σ = 275719902. Its totient is φ = 275719900.

The previous prime is 275719891. The next prime is 275719903. The reversal of 275719901 is 109917572.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221712100 + 54007801 = 14890^2 + 7349^2 .

It is a cyclic number.

It is not a de Polignac number, because 275719901 - 2²⁶ = 208611037 is a prime.

It is a Sophie Germain prime.

Together with 275719903, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275719903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137859950 + 137859951.

It is an arithmetic number, because the mean of its divisors is an integer number (137859951).

Almost surely, 2^275719901 is an apocalyptic number.

It is an amenable number.

275719901 is a deficient number, since it is larger than the sum of its proper divisors (1).

275719901 is an equidigital number, since it uses as much as digits as its factorization.

275719901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 41.

The square root of 275719901 is about 16604.8155966876. The cubic root of 275719901 is about 650.8626817588.

The spelling of 275719901 in words is "two hundred seventy-five million, seven hundred nineteen thousand, nine hundred one".