542483989 has 2 divisors, whose sum is σ = 542483990. Its totient is φ = 542483988.

The previous prime is 542483987. The next prime is 542483999. The reversal of 542483989 is 989384245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393228900 + 149255089 = 19830^2 + 12217^2 .

It is a cyclic number.

It is not a de Polignac number, because 542483989 - 2¹ = 542483987 is a prime.

Together with 542483987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542483987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271241994 + 271241995.

It is an arithmetic number, because the mean of its divisors is an integer number (271241995).

Almost surely, 2^542483989 is an apocalyptic number.

It is an amenable number.

542483989 is a deficient number, since it is larger than the sum of its proper divisors (1).

542483989 is an equidigital number, since it uses as much as digits as its factorization.

542483989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 52.

The square root of 542483989 is about 23291.2856879993. The cubic root of 542483989 is about 815.5720018782.

The spelling of 542483989 in words is "five hundred forty-two million, four hundred eighty-three thousand, nine hundred eighty-nine".