542361679 has 4 divisors (see below), whose sum is σ = 542422960. Its totient is φ = 542300400.

The previous prime is 542361581. The next prime is 542361691. The reversal of 542361679 is 976163245.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 976163245 = 5 ⋅195232649.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542361679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542361179) 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, 14547 + ... + 36004.

It is an arithmetic number, because the mean of its divisors is an integer number (135605740).

Almost surely, 2^542361679 is an apocalyptic number.

542361679 is a deficient number, since it is larger than the sum of its proper divisors (61281).

542361679 is a wasteful number, since it uses less digits than its factorization.

542361679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61280.

The product of its digits is 272160, while the sum is 43.

The square root of 542361679 is about 23288.6598798643. The cubic root of 542361679 is about 815.5107035350.

The spelling of 542361679 in words is "five hundred forty-two million, three hundred sixty-one thousand, six hundred seventy-nine".