542406043 has 8 divisors (see below), whose sum is σ = 547063200. Its totient is φ = 537763200.

The previous prime is 542406031. The next prime is 542406077. The reversal of 542406043 is 340604245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542406043 - 2¹³ = 542397851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542406143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80883 + ... + 87331.

It is an arithmetic number, because the mean of its divisors is an integer number (68382900).

Almost surely, 2^542406043 is an apocalyptic number.

542406043 is a deficient number, since it is larger than the sum of its proper divisors (4657157).

542406043 is a wasteful number, since it uses less digits than its factorization.

542406043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 542406043 is about 23289.6123411275. The cubic root of 542406043 is about 815.5329385931.

The spelling of 542406043 in words is "five hundred forty-two million, four hundred six thousand, forty-three".