542241144253 has 4 divisors (see below), whose sum is σ = 542266305660. Its totient is φ = 542215982848.

The previous prime is 542241144251. The next prime is 542241144299. The reversal of 542241144253 is 352441142245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352441142245 = 5 ⋅70488228449.

It can be written as a sum of positive squares in 2 ways, for example, as 253353168964 + 288887975289 = 503342^2 + 537483^2 .

It is a cyclic number.

It is not a de Polignac number, because 542241144253 - 2¹ = 542241144251 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 (542241144251) 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, 12548350 + ... + 12591487.

It is an arithmetic number, because the mean of its divisors is an integer number (135566576415).

Almost surely, 2^542241144253 is an apocalyptic number.

It is an amenable number.

542241144253 is a deficient number, since it is larger than the sum of its proper divisors (25161407).

542241144253 is a wasteful number, since it uses less digits than its factorization.

542241144253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25161406.

The product of its digits is 153600, while the sum is 37.

Adding to 542241144253 its reverse (352441142245), we get a palindrome (894682286498).

The spelling of 542241144253 in words is "five hundred forty-two billion, two hundred forty-one million, one hundred forty-four thousand, two hundred fifty-three".