556265273 has 4 divisors (see below), whose sum is σ = 558077520. Its totient is φ = 554453028.

The previous prime is 556265201. The next prime is 556265291. The reversal of 556265273 is 372562655.

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 a de Polignac number, because none of the positive numbers 2^k-556265273 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 556265273.

It is not an unprimeable number, because it can be changed into a prime (556265173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905663 + ... + 906276.

It is an arithmetic number, because the mean of its divisors is an integer number (139519380).

Almost surely, 2^556265273 is an apocalyptic number.

It is an amenable number.

556265273 is a deficient number, since it is larger than the sum of its proper divisors (1812247).

556265273 is a wasteful number, since it uses less digits than its factorization.

556265273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812246.

The product of its digits is 378000, while the sum is 41.

The square root of 556265273 is about 23585.2766148714. The cubic root of 556265273 is about 822.4206052280.

The spelling of 556265273 in words is "five hundred fifty-six million, two hundred sixty-five thousand, two hundred seventy-three".