2571128047 has 2 divisors, whose sum is σ = 2571128048. Its totient is φ = 2571128046.

The previous prime is 2571128011. The next prime is 2571128069. The reversal of 2571128047 is 7408211752.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2571128047 is a prime.

It is a super-2 number, since 2×2571128047² = 13221398868140068418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2571127997 and 2571128015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2571128647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1285564023 + 1285564024.

It is an arithmetic number, because the mean of its divisors is an integer number (1285564024).

Almost surely, 2^2571128047 is an apocalyptic number.

2571128047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2571128047 is an equidigital number, since it uses as much as digits as its factorization.

2571128047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 2571128047 is about 50706.2919863009. The cubic root of 2571128047 is about 1369.9600476743.

Adding to 2571128047 its reverse (7408211752), we get a palindrome (9979339799).

The spelling of 2571128047 in words is "two billion, five hundred seventy-one million, one hundred twenty-eight thousand, forty-seven".