542133451 has 4 divisors (see below), whose sum is σ = 574023672. Its totient is φ = 510243232.

The previous prime is 542133421. The next prime is 542133461. The reversal of 542133451 is 154331245.

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 542133451 - 2⁵ = 542133419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542133421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15945085 + ... + 15945118.

It is an arithmetic number, because the mean of its divisors is an integer number (143505918).

Almost surely, 2^542133451 is an apocalyptic number.

542133451 is a deficient number, since it is larger than the sum of its proper divisors (31890221).

542133451 is a wasteful number, since it uses less digits than its factorization.

542133451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31890220.

The product of its digits is 7200, while the sum is 28.

The square root of 542133451 is about 23283.7593828832. The cubic root of 542133451 is about 815.3962974125.

Adding to 542133451 its reverse (154331245), we get a palindrome (696464696).

The spelling of 542133451 in words is "five hundred forty-two million, one hundred thirty-three thousand, four hundred fifty-one".