542131532 has 6 divisors (see below), whose sum is σ = 948730188. Its totient is φ = 271065764.

The previous prime is 542131529. The next prime is 542131559. The reversal of 542131532 is 235131245.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67766438 + ... + 67766445.

It is an arithmetic number, because the mean of its divisors is an integer number (158121698).

Almost surely, 2^542131532 is an apocalyptic number.

It is an amenable number.

542131532 is a deficient number, since it is larger than the sum of its proper divisors (406598656).

542131532 is a wasteful number, since it uses less digits than its factorization.

542131532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135532887 (or 135532885 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 542131532 is about 23283.7181738656. The cubic root of 542131532 is about 815.3953353202.

Adding to 542131532 its reverse (235131245), we get a palindrome (777262777).

The spelling of 542131532 in words is "five hundred forty-two million, one hundred thirty-one thousand, five hundred thirty-two".