2505002743 has 2 divisors, whose sum is σ = 2505002744. Its totient is φ = 2505002742.

The previous prime is 2505002741. The next prime is 2505002779. The reversal of 2505002743 is 3472005052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2505002743 - 2¹ = 2505002741 is a prime.

It is a super-4 number, since 4×2505002743⁴ (a number of 39 digits) contains 4444 as substring.

Together with 2505002741, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505002741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252501371 + 1252501372.

It is an arithmetic number, because the mean of its divisors is an integer number (1252501372).

Almost surely, 2^2505002743 is an apocalyptic number.

2505002743 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505002743 is an equidigital number, since it uses as much as digits as its factorization.

2505002743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 2505002743 is about 50050.0024275724. The cubic root of 2505002743 is about 1358.1135073507.

Adding to 2505002743 its reverse (3472005052), we get a palindrome (5977007795).

The spelling of 2505002743 in words is "two billion, five hundred five million, two thousand, seven hundred forty-three".