275485319 has 2 divisors, whose sum is σ = 275485320. Its totient is φ = 275485318.

The previous prime is 275485279. The next prime is 275485367. The reversal of 275485319 is 913584572.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275485319 is a prime.

It is a super-2 number, since 2×275485319² = 151784321969063522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 275485319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275485369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137742659 + 137742660.

It is an arithmetic number, because the mean of its divisors is an integer number (137742660).

Almost surely, 2^275485319 is an apocalyptic number.

275485319 is a deficient number, since it is larger than the sum of its proper divisors (1).

275485319 is an equidigital number, since it uses as much as digits as its factorization.

275485319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 44.

The square root of 275485319 is about 16597.7504198611. The cubic root of 275485319 is about 650.6780451165.

The spelling of 275485319 in words is "two hundred seventy-five million, four hundred eighty-five thousand, three hundred nineteen".