275306013 has 16 divisors (see below), whose sum is σ = 410309760. Its totient is φ = 182435328.

The previous prime is 275305997. The next prime is 275306027. The reversal of 275306013 is 310603572.

It is a happy number.

275306013 is a `hidden beast` number, since 2 + 7 + 53 + 0 + 601 + 3 = 666.

It is not a de Polignac number, because 275306013 - 2⁴ = 275305997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275306813) 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 15 ways as a sum of consecutive naturals, for example, 26020 + ... + 35037.

It is an arithmetic number, because the mean of its divisors is an integer number (25644360).

Almost surely, 2^275306013 is an apocalyptic number.

It is an amenable number.

275306013 is a deficient number, since it is larger than the sum of its proper divisors (135003747).

275306013 is a wasteful number, since it uses less digits than its factorization.

275306013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61233 (or 61227 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 275306013 is about 16592.3480255207. The cubic root of 275306013 is about 650.5368448526.

Adding to 275306013 its reverse (310603572), we get a palindrome (585909585).

The spelling of 275306013 in words is "two hundred seventy-five million, three hundred six thousand, thirteen".