2534121571 has 2 divisors, whose sum is σ = 2534121572. Its totient is φ = 2534121570.

The previous prime is 2534121533. The next prime is 2534121581. The reversal of 2534121571 is 1751214352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2534121571 is a prime.

It is not a weakly prime, because it can be changed into another prime (2534121581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267060785 + 1267060786.

It is an arithmetic number, because the mean of its divisors is an integer number (1267060786).

Almost surely, 2^2534121571 is an apocalyptic number.

2534121571 is a deficient number, since it is larger than the sum of its proper divisors (1).

2534121571 is an equidigital number, since it uses as much as digits as its factorization.

2534121571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 31.

The square root of 2534121571 is about 50340.0593066794. The cubic root of 2534121571 is about 1363.3556069808.

The spelling of 2534121571 in words is "two billion, five hundred thirty-four million, one hundred twenty-one thousand, five hundred seventy-one".