542000971 has 2 divisors, whose sum is σ = 542000972. Its totient is φ = 542000970.

The previous prime is 542000969. The next prime is 542000999. The reversal of 542000971 is 179000245.

It is a happy number.

It is an a-pointer prime, because the next prime (542000999) can be obtained adding 542000971 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542000971 - 2¹ = 542000969 is a prime.

Together with 542000969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (542000951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271000485 + 271000486.

It is an arithmetic number, because the mean of its divisors is an integer number (271000486).

Almost surely, 2^542000971 is an apocalyptic number.

542000971 is a deficient number, since it is larger than the sum of its proper divisors (1).

542000971 is an equidigital number, since it uses as much as digits as its factorization.

542000971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 542000971 is about 23280.9143076469. The cubic root of 542000971 is about 815.3298731144.

The spelling of 542000971 in words is "five hundred forty-two million, nine hundred seventy-one", and thus it is an aban number.