542423213 has 4 divisors (see below), whose sum is σ = 559920768. Its totient is φ = 524925660.

The previous prime is 542423207. The next prime is 542423239. The reversal of 542423213 is 312324245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 542423213 - 2⁴ = 542423197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542723213) 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 3 ways as a sum of consecutive naturals, for example, 8748731 + ... + 8748792.

It is an arithmetic number, because the mean of its divisors is an integer number (139980192).

Almost surely, 2^542423213 is an apocalyptic number.

It is an amenable number.

542423213 is a deficient number, since it is larger than the sum of its proper divisors (17497555).

542423213 is a wasteful number, since it uses less digits than its factorization.

542423213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17497554.

The product of its digits is 5760, while the sum is 26.

The square root of 542423213 is about 23289.9809574847. The cubic root of 542423213 is about 815.5415438026.

Adding to 542423213 its reverse (312324245), we get a palindrome (854747458).

It can be divided in two parts, 5424232 and 13, that added together give a palindrome (5424245).

The spelling of 542423213 in words is "five hundred forty-two million, four hundred twenty-three thousand, two hundred thirteen".