542529873 has 16 divisors (see below), whose sum is σ = 804469440. Its totient is φ = 361361952.

The previous prime is 542529821. The next prime is 542529877. The reversal of 542529873 is 378925245.

542529873 is a `hidden beast` number, since 5 + 42 + 529 + 87 + 3 = 666.

It is not a de Polignac number, because 542529873 - 2¹⁶ = 542464337 is a prime.

It is a super-2 number, since 2×542529873² = 588677326194792258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (542529877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23790 + ... + 40632.

It is an arithmetic number, because the mean of its divisors is an integer number (50279340).

Almost surely, 2^542529873 is an apocalyptic number.

It is an amenable number.

542529873 is a deficient number, since it is larger than the sum of its proper divisors (261939567).

542529873 is a wasteful number, since it uses less digits than its factorization.

542529873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18045 (or 18039 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 542529873 is about 23292.2706707611. The cubic root of 542529873 is about 815.5949952762.

The spelling of 542529873 in words is "five hundred forty-two million, five hundred twenty-nine thousand, eight hundred seventy-three".