2528687347 has 2 divisors, whose sum is σ = 2528687348. Its totient is φ = 2528687346.

The previous prime is 2528687327. The next prime is 2528687363. The reversal of 2528687347 is 7437868252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2528687347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2528687294 and 2528687303.

It is not a weakly prime, because it can be changed into another prime (2528687327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264343673 + 1264343674.

It is an arithmetic number, because the mean of its divisors is an integer number (1264343674).

Almost surely, 2^2528687347 is an apocalyptic number.

2528687347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2528687347 is an equidigital number, since it uses as much as digits as its factorization.

2528687347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 52.

The square root of 2528687347 is about 50286.0551942584. The cubic root of 2528687347 is about 1362.3803733257.

The spelling of 2528687347 in words is "two billion, five hundred twenty-eight million, six hundred eighty-seven thousand, three hundred forty-seven".