542524187 has 4 divisors (see below), whose sum is σ = 547325400. Its totient is φ = 537722976.

The previous prime is 542524183. The next prime is 542524193. The reversal of 542524187 is 781425245.

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 542524187 - 2² = 542524183 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 542524187.

It is not an unprimeable number, because it can be changed into a prime (542524181) 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, 2400437 + ... + 2400662.

It is an arithmetic number, because the mean of its divisors is an integer number (136831350).

Almost surely, 2^542524187 is an apocalyptic number.

542524187 is a deficient number, since it is larger than the sum of its proper divisors (4801213).

542524187 is a wasteful number, since it uses less digits than its factorization.

542524187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4801212.

The product of its digits is 89600, while the sum is 38.

The square root of 542524187 is about 23292.1486127837. The cubic root of 542524187 is about 815.5921459773.

The spelling of 542524187 in words is "five hundred forty-two million, five hundred twenty-four thousand, one hundred eighty-seven".