542172659 has 8 divisors (see below), whose sum is σ = 621984000. Its totient is φ = 462950856.

The previous prime is 542172637. The next prime is 542172689. The reversal of 542172659 is 956271245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542172659 - 2¹² = 542168563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542172689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145409 + ... + 149090.

It is an arithmetic number, because the mean of its divisors is an integer number (77748000).

Almost surely, 2^542172659 is an apocalyptic number.

542172659 is a deficient number, since it is larger than the sum of its proper divisors (79811341).

542172659 is a wasteful number, since it uses less digits than its factorization.

542172659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294769.

The product of its digits is 151200, while the sum is 41.

The square root of 542172659 is about 23284.6013279163. The cubic root of 542172659 is about 815.4159538811.

The spelling of 542172659 in words is "five hundred forty-two million, one hundred seventy-two thousand, six hundred fifty-nine".