542659499 has 4 divisors (see below), whose sum is σ = 574580664. Its totient is φ = 510738336.

The previous prime is 542659471. The next prime is 542659519. The reversal of 542659499 is 994956245.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 542659499 - 2²⁴ = 525882283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542659499.

It is not an unprimeable number, because it can be changed into a prime (542659409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15960557 + ... + 15960590.

It is an arithmetic number, because the mean of its divisors is an integer number (143645166).

Almost surely, 2^542659499 is an apocalyptic number.

542659499 is a deficient number, since it is larger than the sum of its proper divisors (31921165).

542659499 is a wasteful number, since it uses less digits than its factorization.

542659499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31921164.

The product of its digits is 3499200, while the sum is 53.

The square root of 542659499 is about 23295.0531014634. The cubic root of 542659499 is about 815.6599464756.

The spelling of 542659499 in words is "five hundred forty-two million, six hundred fifty-nine thousand, four hundred ninety-nine".