2478566203 has 4 divisors (see below), whose sum is σ = 2479443928. Its totient is φ = 2477688480.

The previous prime is 2478566191. The next prime is 2478566231. The reversal of 2478566203 is 3026658742.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2478566203 - 2¹³ = 2478558011 is a prime.

It is a super-2 number, since 2×2478566203² = 12286580845307674418, 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 2478566203.

It is not an unprimeable number, because it can be changed into a prime (2478566803) 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, 434613 + ... + 440278.

It is an arithmetic number, because the mean of its divisors is an integer number (619860982).

Almost surely, 2^2478566203 is an apocalyptic number.

2478566203 is a deficient number, since it is larger than the sum of its proper divisors (877725).

2478566203 is an equidigital number, since it uses as much as digits as its factorization.

2478566203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877724.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 2478566203 is about 49785.2006423596. The cubic root of 2478566203 is about 1353.3189854592.

The spelling of 2478566203 in words is "two billion, four hundred seventy-eight million, five hundred sixty-six thousand, two hundred three".