542125051213 has 4 divisors (see below), whose sum is σ = 542148623388. Its totient is φ = 542101479040.

The previous prime is 542125051201. The next prime is 542125051219. The reversal of 542125051213 is 312150521245.

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 101211787044 + 440913264169 = 318138^2 + 664013^2 .

It is a cyclic number.

It is not a de Polignac number, because 542125051213 - 2²⁵ = 542091496781 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 (542125051219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11751556 + ... + 11797597.

It is an arithmetic number, because the mean of its divisors is an integer number (135537155847).

Almost surely, 2^542125051213 is an apocalyptic number.

It is an amenable number.

542125051213 is a deficient number, since it is larger than the sum of its proper divisors (23572175).

542125051213 is a wasteful number, since it uses less digits than its factorization.

542125051213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23572174.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 542125051213 its reverse (312150521245), we get a palindrome (854275572458).

The spelling of 542125051213 in words is "five hundred forty-two billion, one hundred twenty-five million, fifty-one thousand, two hundred thirteen".