2525247943 has 2 divisors, whose sum is σ = 2525247944. Its totient is φ = 2525247942.

The previous prime is 2525247937. The next prime is 2525247973. The reversal of 2525247943 is 3497425252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2525247943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2525247943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2525247973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262623971 + 1262623972.

It is an arithmetic number, because the mean of its divisors is an integer number (1262623972).

Almost surely, 2^2525247943 is an apocalyptic number.

2525247943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525247943 is an equidigital number, since it uses as much as digits as its factorization.

2525247943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 43.

The square root of 2525247943 is about 50251.8451701030. The cubic root of 2525247943 is about 1361.7624107324.

The spelling of 2525247943 in words is "two billion, five hundred twenty-five million, two hundred forty-seven thousand, nine hundred forty-three".