275299939 has 2 divisors, whose sum is σ = 275299940. Its totient is φ = 275299938.

The previous prime is 275299919. The next prime is 275300071. The reversal of 275299939 is 939992572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275299939 - 2¹³ = 275291747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 275299939.

It is not a weakly prime, because it can be changed into another prime (275299909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137649969 + 137649970.

It is an arithmetic number, because the mean of its divisors is an integer number (137649970).

Almost surely, 2^275299939 is an apocalyptic number.

275299939 is a deficient number, since it is larger than the sum of its proper divisors (1).

275299939 is an equidigital number, since it uses as much as digits as its factorization.

275299939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2755620, while the sum is 55.

The square root of 275299939 is about 16592.1649883311. The cubic root of 275299939 is about 650.5320606129.

The spelling of 275299939 in words is "two hundred seventy-five million, two hundred ninety-nine thousand, nine hundred thirty-nine".