2555609243 has 8 divisors (see below), whose sum is σ = 2812610736. Its totient is φ = 2302720000.

The previous prime is 2555609237. The next prime is 2555609261. The reversal of 2555609243 is 3429065552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2555609243 - 2⁴ = 2555609227 is a prime.

It is a super-2 number, since 2×2555609243² = 13062277205814066098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2555609243.

It is not an unprimeable number, because it can be changed into a prime (2555609233) 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 7 ways as a sum of consecutive naturals, for example, 1026758 + ... + 1029243.

It is an arithmetic number, because the mean of its divisors is an integer number (351576342).

Almost surely, 2^2555609243 is an apocalyptic number.

2555609243 is a deficient number, since it is larger than the sum of its proper divisors (257001493).

2555609243 is a wasteful number, since it uses less digits than its factorization.

2555609243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056125.

The product of its (nonzero) digits is 324000, while the sum is 41.

The square root of 2555609243 is about 50553.0339643428. The cubic root of 2555609243 is about 1367.1982171929.

The spelling of 2555609243 in words is "two billion, five hundred fifty-five million, six hundred nine thousand, two hundred forty-three".