542897671 has 4 divisors (see below), whose sum is σ = 545626000. Its totient is φ = 540169344.

The previous prime is 542897657. The next prime is 542897731. The reversal of 542897671 is 176798245.

542897671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542897671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542897171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1363866 + ... + 1364263.

It is an arithmetic number, because the mean of its divisors is an integer number (136406500).

Almost surely, 2^542897671 is an apocalyptic number.

542897671 is a deficient number, since it is larger than the sum of its proper divisors (2728329).

542897671 is a wasteful number, since it uses less digits than its factorization.

542897671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728328.

The product of its digits is 846720, while the sum is 49.

The square root of 542897671 is about 23300.1646131524. The cubic root of 542897671 is about 815.7792594438.

The spelling of 542897671 in words is "five hundred forty-two million, eight hundred ninety-seven thousand, six hundred seventy-one".