2543316002 has 4 divisors (see below), whose sum is σ = 3814974006. Its totient is φ = 1271658000.

The previous prime is 2543316001. The next prime is 2543316023. The reversal of 2543316002 is 2006133452.

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

It can be written as a sum of positive squares in only one way, i.e., 2526168121 + 17147881 = 50261^2 + 4141^2 .

It is not an unprimeable number, because it can be changed into a prime (2543316001) 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 as a sum of consecutive naturals, namely, 635828999 + ... + 635829002.

Almost surely, 2^2543316002 is an apocalyptic number.

2543316002 is a deficient number, since it is larger than the sum of its proper divisors (1271658004).

2543316002 is a wasteful number, since it uses less digits than its factorization.

2543316002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271658003.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2543316002 is about 50431.2998246129. The cubic root of 2543316002 is about 1365.0024826085.

Adding to 2543316002 its reverse (2006133452), we get a palindrome (4549449454).

The spelling of 2543316002 in words is "two billion, five hundred forty-three million, three hundred sixteen thousand, two".