542493542 has 8 divisors (see below), whose sum is σ = 816637032. Its totient is φ = 270281200.

The previous prime is 542493541. The next prime is 542493551. The reversal of 542493542 is 245394245.

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

It is a super-2 number, since 2×542493542² = 588598486223411528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542493496 and 542493505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542493541) 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, 482084 + ... + 483207.

It is an arithmetic number, because the mean of its divisors is an integer number (102079629).

Almost surely, 2^542493542 is an apocalyptic number.

542493542 is a deficient number, since it is larger than the sum of its proper divisors (274143490).

542493542 is a wasteful number, since it uses less digits than its factorization.

542493542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965574.

The product of its digits is 172800, while the sum is 38.

The square root of 542493542 is about 23291.4907637961. The cubic root of 542493542 is about 815.5767891861.

The spelling of 542493542 in words is "five hundred forty-two million, four hundred ninety-three thousand, five hundred forty-two".