275890513 has 4 divisors (see below), whose sum is σ = 277542720. Its totient is φ = 274238308.

The previous prime is 275890499. The next prime is 275890529. The reversal of 275890513 is 315098572.

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 275890513 - 2⁵ = 275890481 is a prime.

It is a super-2 number, since 2×275890513² = 152231150326806338, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275890553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825853 + ... + 826186.

It is an arithmetic number, because the mean of its divisors is an integer number (69385680).

Almost surely, 2^275890513 is an apocalyptic number.

It is an amenable number.

275890513 is a deficient number, since it is larger than the sum of its proper divisors (1652207).

275890513 is a wasteful number, since it uses less digits than its factorization.

275890513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652206.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 275890513 is about 16609.9522275051. The cubic root of 275890513 is about 650.9969026196.

The spelling of 275890513 in words is "two hundred seventy-five million, eight hundred ninety thousand, five hundred thirteen".