542462213 has 4 divisors (see below), whose sum is σ = 547833228. Its totient is φ = 537091200.

The previous prime is 542462191. The next prime is 542462227. The reversal of 542462213 is 312264245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 509720929 + 32741284 = 22577^2 + 5722^2 .

It is a cyclic number.

It is not a de Polignac number, because 542462213 - 2¹⁰ = 542461189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542462233) 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, 2685356 + ... + 2685557.

It is an arithmetic number, because the mean of its divisors is an integer number (136958307).

Almost surely, 2^542462213 is an apocalyptic number.

It is an amenable number.

542462213 is a deficient number, since it is larger than the sum of its proper divisors (5371015).

542462213 is a wasteful number, since it uses less digits than its factorization.

542462213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371014.

The product of its digits is 11520, while the sum is 29.

The square root of 542462213 is about 23290.8182123342. The cubic root of 542462213 is about 815.5610890317.

The spelling of 542462213 in words is "five hundred forty-two million, four hundred sixty-two thousand, two hundred thirteen".