5427121571 has 2 divisors, whose sum is σ = 5427121572. Its totient is φ = 5427121570.

The previous prime is 5427121543. The next prime is 5427121589. The reversal of 5427121571 is 1751217245.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5427121571 is a prime.

It is not a weakly prime, because it can be changed into another prime (5427121591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2713560785 + 2713560786.

It is an arithmetic number, because the mean of its divisors is an integer number (2713560786).

Almost surely, 2^5427121571 is an apocalyptic number.

5427121571 is a deficient number, since it is larger than the sum of its proper divisors (1).

5427121571 is an equidigital number, since it uses as much as digits as its factorization.

5427121571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19600, while the sum is 35.

The square root of 5427121571 is about 73669.0000678712. Note that the first 4 decimals coincide. The cubic root of 5427121571 is about 1757.3429227623.

The spelling of 5427121571 in words is "five billion, four hundred twenty-seven million, one hundred twenty-one thousand, five hundred seventy-one".