2564340003 has 12 divisors (see below), whose sum is σ = 3706959360. Its totient is φ = 1708215696.

The previous prime is 2564339963. The next prime is 2564340007. The reversal of 2564340003 is 3000434652.

2564340003 is a `hidden beast` number, since 256 + 4 + 3 + 400 + 0 + 3 = 666.

It is not a de Polignac number, because 2564340003 - 2¹⁰ = 2564338979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2564340007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99876 + ... + 122897.

It is an arithmetic number, because the mean of its divisors is an integer number (308913280).

Almost surely, 2^2564340003 is an apocalyptic number.

2564340003 is a deficient number, since it is larger than the sum of its proper divisors (1142619357).

2564340003 is a wasteful number, since it uses less digits than its factorization.

2564340003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224058 (or 224055 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2564340003 is about 50639.3128211669. The cubic root of 2564340003 is about 1368.7533730573.

Adding to 2564340003 its reverse (3000434652), we get a palindrome (5564774655).

The spelling of 2564340003 in words is "two billion, five hundred sixty-four million, three hundred forty thousand, three".