542344213 has 4 divisors (see below), whose sum is σ = 542410848. Its totient is φ = 542277580.

The previous prime is 542344207. The next prime is 542344219. The reversal of 542344213 is 312443245.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (542344207) and next prime (542344219).

It is a cyclic number.

It is not a de Polignac number, because 542344213 - 2¹⁷ = 542213141 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 (542344219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19081 + ... + 38062.

It is an arithmetic number, because the mean of its divisors is an integer number (135602712).

Almost surely, 2^542344213 is an apocalyptic number.

It is an amenable number.

542344213 is a deficient number, since it is larger than the sum of its proper divisors (66635).

542344213 is an equidigital number, since it uses as much as digits as its factorization.

542344213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66634.

The product of its digits is 11520, while the sum is 28.

The square root of 542344213 is about 23288.2848874708. The cubic root of 542344213 is about 815.5019493134.

Adding to 542344213 its reverse (312443245), we get a palindrome (854787458).

The spelling of 542344213 in words is "five hundred forty-two million, three hundred forty-four thousand, two hundred thirteen".