542685326 has 4 divisors (see below), whose sum is σ = 814027992. Its totient is φ = 271342662.

The previous prime is 542685301. The next prime is 542685337. The reversal of 542685326 is 623586245.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135671330 + ... + 135671333.

It is an arithmetic number, because the mean of its divisors is an integer number (203506998).

Almost surely, 2^542685326 is an apocalyptic number.

542685326 is a deficient number, since it is larger than the sum of its proper divisors (271342666).

542685326 is a wasteful number, since it uses less digits than its factorization.

542685326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271342665.

The product of its digits is 345600, while the sum is 41.

The square root of 542685326 is about 23295.6074400304. The cubic root of 542685326 is about 815.6728862751.

The spelling of 542685326 in words is "five hundred forty-two million, six hundred eighty-five thousand, three hundred twenty-six".