542438637 has 8 divisors (see below), whose sum is σ = 778886304. Its totient is φ = 333808368.

The previous prime is 542438627. The next prime is 542438639. The reversal of 542438637 is 736834245.

542438637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 542438637 - 2⁶ = 542438573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542438639) 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, 6954303 + ... + 6954380.

It is an arithmetic number, because the mean of its divisors is an integer number (97360788).

Almost surely, 2^542438637 is an apocalyptic number.

It is an amenable number.

542438637 is a deficient number, since it is larger than the sum of its proper divisors (236447667).

542438637 is a wasteful number, since it uses less digits than its factorization.

542438637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13908699.

The product of its digits is 483840, while the sum is 42.

The square root of 542438637 is about 23290.3120846415. The cubic root of 542438637 is about 815.5492738021.

The spelling of 542438637 in words is "five hundred forty-two million, four hundred thirty-eight thousand, six hundred thirty-seven".