252065577545 has 4 divisors (see below), whose sum is σ = 302478693060. Its totient is φ = 201652462032.

The previous prime is 252065577523. The next prime is 252065577571. The reversal of 252065577545 is 545775560252.

252065577545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 185729969296 + 66335608249 = 430964^2 + 257557^2 .

It is a cyclic number.

It is not a de Polignac number, because 252065577545 - 2⁶ = 252065577481 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25206557750 + ... + 25206557759.

It is an arithmetic number, because the mean of its divisors is an integer number (75619673265).

Almost surely, 2^252065577545 is an apocalyptic number.

It is an amenable number.

252065577545 is a deficient number, since it is larger than the sum of its proper divisors (50413115515).

252065577545 is an equidigital number, since it uses as much as digits as its factorization.

252065577545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50413115514.

The product of its (nonzero) digits is 14700000, while the sum is 53.

The spelling of 252065577545 in words is "two hundred fifty-two billion, sixty-five million, five hundred seventy-seven thousand, five hundred forty-five".