250542212145053 has 4 divisors (see below), whose sum is σ = 250586251913820. Its totient is φ = 250498172376288.

The previous prime is 250542212145037. The next prime is 250542212145089. The reversal of 250542212145053 is 350541212245052.

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 238491129012964 + 12051083132089 = 15443158^2 + 3471467^2 .

It is a cyclic number.

It is not a de Polignac number, because 250542212145053 - 2⁴ = 250542212145037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 250542212145053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250542212147053) 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, 22019875850 + ... + 22019887227.

It is an arithmetic number, because the mean of its divisors is an integer number (62646562978455).

Almost surely, 2^{250542212145053} is an apocalyptic number.

It is an amenable number.

250542212145053 is a deficient number, since it is larger than the sum of its proper divisors (44039768767).

250542212145053 is an equidigital number, since it uses as much as digits as its factorization.

250542212145053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44039768766.

The product of its (nonzero) digits is 480000, while the sum is 41.

Subtracting 250542212145053 from its reverse (350541212245052), we obtain a palindrome (99999000099999).

The spelling of 250542212145053 in words is "two hundred fifty trillion, five hundred forty-two billion, two hundred twelve million, one hundred forty-five thousand, fifty-three".