542447417 has 16 divisors (see below), whose sum is σ = 568358400. Its totient is φ = 517233600.

The previous prime is 542447401. The next prime is 542447419. The reversal of 542447417 is 714744245.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 542447417 - 2⁴ = 542447401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542447419) 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 15 ways as a sum of consecutive naturals, for example, 440759 + ... + 441987.

It is an arithmetic number, because the mean of its divisors is an integer number (35522400).

Almost surely, 2^542447417 is an apocalyptic number.

It is an amenable number.

542447417 is a deficient number, since it is larger than the sum of its proper divisors (25910983).

542447417 is a wasteful number, since it uses less digits than its factorization.

542447417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its digits is 125440, while the sum is 38.

The square root of 542447417 is about 23290.5005742685. The cubic root of 542447417 is about 815.5536739828.

The spelling of 542447417 in words is "five hundred forty-two million, four hundred forty-seven thousand, four hundred seventeen".