542725543 has 2 divisors, whose sum is σ = 542725544. Its totient is φ = 542725542.

The previous prime is 542725541. The next prime is 542725567. The reversal of 542725543 is 345527245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542725543 - 2¹ = 542725541 is a prime.

Together with 542725541, 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 (542725541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271362771 + 271362772.

It is an arithmetic number, because the mean of its divisors is an integer number (271362772).

Almost surely, 2^542725543 is an apocalyptic number.

542725543 is a deficient number, since it is larger than the sum of its proper divisors (1).

542725543 is an equidigital number, since it uses as much as digits as its factorization.

542725543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168000, while the sum is 37.

The square root of 542725543 is about 23296.4706125198. The cubic root of 542725543 is about 815.6930349104.

The spelling of 542725543 in words is "five hundred forty-two million, seven hundred twenty-five thousand, five hundred forty-three".