275820413 has 4 divisors (see below), whose sum is σ = 300895008. Its totient is φ = 250745820.

The previous prime is 275820409. The next prime is 275820443. The reversal of 275820413 is 314028572.

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 275820413 - 2² = 275820409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 275820413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275820443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12537281 + ... + 12537302.

It is an arithmetic number, because the mean of its divisors is an integer number (75223752).

Almost surely, 2^275820413 is an apocalyptic number.

It is an amenable number.

275820413 is a deficient number, since it is larger than the sum of its proper divisors (25074595).

275820413 is a wasteful number, since it uses less digits than its factorization.

275820413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25074594.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 275820413 is about 16607.8419127832. The cubic root of 275820413 is about 650.9417614841.

Adding to 275820413 its reverse (314028572), we get a palindrome (589848985).

The spelling of 275820413 in words is "two hundred seventy-five million, eight hundred twenty thousand, four hundred thirteen".