2500402843 has 2 divisors, whose sum is σ = 2500402844. Its totient is φ = 2500402842.

The previous prime is 2500402813. The next prime is 2500402847. The reversal of 2500402843 is 3482040052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2500402843 is a prime.

It is not a weakly prime, because it can be changed into another prime (2500402847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250201421 + 1250201422.

It is an arithmetic number, because the mean of its divisors is an integer number (1250201422).

Almost surely, 2^2500402843 is an apocalyptic number.

2500402843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500402843 is an equidigital number, since it uses as much as digits as its factorization.

2500402843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2500402843 is about 50004.0282677306. The cubic root of 2500402843 is about 1357.2817033246.

Adding to 2500402843 its reverse (3482040052), we get a palindrome (5982442895).

The spelling of 2500402843 in words is "two billion, five hundred million, four hundred two thousand, eight hundred forty-three".