252540055301 has 4 divisors (see below), whose sum is σ = 261248333100. Its totient is φ = 243831777504.

The previous prime is 252540055297. The next prime is 252540055367. The reversal of 252540055301 is 103550045252.

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 69484432801 + 183055622500 = 263599^2 + 427850^2 .

It is a cyclic number.

It is not a de Polignac number, because 252540055301 - 2² = 252540055297 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 (252540055501) 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, 4354138856 + ... + 4354138913.

It is an arithmetic number, because the mean of its divisors is an integer number (65312083275).

Almost surely, 2^252540055301 is an apocalyptic number.

It is an amenable number.

252540055301 is a deficient number, since it is larger than the sum of its proper divisors (8708277799).

252540055301 is an equidigital number, since it uses as much as digits as its factorization.

252540055301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8708277798.

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 252540055301 in words is "two hundred fifty-two billion, five hundred forty million, fifty-five thousand, three hundred one".