2528305847 has 2 divisors, whose sum is σ = 2528305848. Its totient is φ = 2528305846.

The previous prime is 2528305783. The next prime is 2528305883. The reversal of 2528305847 is 7485038252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2528305847 - 2⁶ = 2528305783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2528305798 and 2528305807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2528305447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264152923 + 1264152924.

It is an arithmetic number, because the mean of its divisors is an integer number (1264152924).

Almost surely, 2^2528305847 is an apocalyptic number.

2528305847 is a deficient number, since it is larger than the sum of its proper divisors (1).

2528305847 is an equidigital number, since it uses as much as digits as its factorization.

2528305847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537600, while the sum is 44.

The square root of 2528305847 is about 50282.2617530278. The cubic root of 2528305847 is about 1362.3118563204.

The spelling of 2528305847 in words is "two billion, five hundred twenty-eight million, three hundred five thousand, eight hundred forty-seven".