542682459 has 18 divisors (see below), whose sum is σ = 861616028. Its totient is φ = 328897800.

The previous prime is 542682451. The next prime is 542682461. The reversal of 542682459 is 954286245.

542682459 is a `hidden beast` number, since 542 + 68 + 2 + 45 + 9 = 666.

It is not a de Polignac number, because 542682459 - 2³ = 542682451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542682451) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 248077 + ... + 250254.

Almost surely, 2^542682459 is an apocalyptic number.

542682459 is a deficient number, since it is larger than the sum of its proper divisors (318933569).

542682459 is a wasteful number, since it uses less digits than its factorization.

542682459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498359 (or 498345 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 542682459 is about 23295.5459047432. The cubic root of 542682459 is about 815.6714498759.

The spelling of 542682459 in words is "five hundred forty-two million, six hundred eighty-two thousand, four hundred fifty-nine".