542472571 has 2 divisors, whose sum is σ = 542472572. Its totient is φ = 542472570.

The previous prime is 542472551. The next prime is 542472583. The reversal of 542472571 is 175274245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542472571 - 2¹⁹ = 541948283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542472571.

It is not a weakly prime, because it can be changed into another prime (542472551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271236285 + 271236286.

It is an arithmetic number, because the mean of its divisors is an integer number (271236286).

Almost surely, 2^542472571 is an apocalyptic number.

542472571 is a deficient number, since it is larger than the sum of its proper divisors (1).

542472571 is an equidigital number, since it uses as much as digits as its factorization.

542472571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78400, while the sum is 37.

The square root of 542472571 is about 23291.0405735768. The cubic root of 542472571 is about 815.5662798867.

The spelling of 542472571 in words is "five hundred forty-two million, four hundred seventy-two thousand, five hundred seventy-one".