275287013 has 4 divisors (see below), whose sum is σ = 278603808. Its totient is φ = 271970220.

The previous prime is 275287007. The next prime is 275287031. The reversal of 275287013 is 310782572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 275287013 - 2⁸ = 275286757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275287003) 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 in 3 ways as a sum of consecutive naturals, for example, 1658273 + ... + 1658438.

It is an arithmetic number, because the mean of its divisors is an integer number (69650952).

Almost surely, 2^275287013 is an apocalyptic number.

It is an amenable number.

275287013 is a deficient number, since it is larger than the sum of its proper divisors (3316795).

275287013 is an equidigital number, since it uses as much as digits as its factorization.

275287013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316794.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 275287013 is about 16591.7754625598. The cubic root of 275287013 is about 650.5218791007.

The spelling of 275287013 in words is "two hundred seventy-five million, two hundred eighty-seven thousand, thirteen".