542015171 has 4 divisors (see below), whose sum is σ = 565581072. Its totient is φ = 518449272.

The previous prime is 542015167. The next prime is 542015197. The reversal of 542015171 is 171510245.

542015171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 542015171 - 2² = 542015167 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 542015171.

It is not an unprimeable number, because it can be changed into a prime (542015141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11782916 + ... + 11782961.

It is an arithmetic number, because the mean of its divisors is an integer number (141395268).

Almost surely, 2^542015171 is an apocalyptic number.

542015171 is a deficient number, since it is larger than the sum of its proper divisors (23565901).

542015171 is a wasteful number, since it uses less digits than its factorization.

542015171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23565900.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 542015171 is about 23281.2192764898. The cubic root of 542015171 is about 815.3369933865.

The spelling of 542015171 in words is "five hundred forty-two million, fifteen thousand, one hundred seventy-one".