542002531 has 8 divisors (see below), whose sum is σ = 652033280. Its totient is φ = 440122248.

The previous prime is 542002511. The next prime is 542002541. The reversal of 542002531 is 135200245.

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 542002531 - 2⁵ = 542002499 is a prime.

It is a super-2 number, since 2×542002531² = 587533487220811922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542002511) 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 7 ways as a sum of consecutive naturals, for example, 2037471 + ... + 2037736.

It is an arithmetic number, because the mean of its divisors is an integer number (81504160).

Almost surely, 2^542002531 is an apocalyptic number.

542002531 is a deficient number, since it is larger than the sum of its proper divisors (110030749).

542002531 is a wasteful number, since it uses less digits than its factorization.

542002531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4075233.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 542002531 is about 23280.9478114616. The cubic root of 542002531 is about 815.3306553476.

Adding to 542002531 its reverse (135200245), we get a palindrome (677202776).

The spelling of 542002531 in words is "five hundred forty-two million, two thousand, five hundred thirty-one".