2543135207 has 2 divisors, whose sum is σ = 2543135208. Its totient is φ = 2543135206.

The previous prime is 2543135191. The next prime is 2543135269. The reversal of 2543135207 is 7025313452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2543135207 - 2⁴ = 2543135191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2543135107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271567603 + 1271567604.

It is an arithmetic number, because the mean of its divisors is an integer number (1271567604).

Almost surely, 2^2543135207 is an apocalyptic number.

2543135207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543135207 is an equidigital number, since it uses as much as digits as its factorization.

2543135207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 2543135207 is about 50429.5073047516. The cubic root of 2543135207 is about 1364.9701375032.

Adding to 2543135207 its reverse (7025313452), we get a palindrome (9568448659).

The spelling of 2543135207 in words is "two billion, five hundred forty-three million, one hundred thirty-five thousand, two hundred seven".