252272752505 has 8 divisors (see below), whose sum is σ = 302751601992. Its totient is φ = 201802002688.

The previous prime is 252272752493. The next prime is 252272752507. The reversal of 252272752505 is 505257272252.

It can be written as a sum of positive squares in 4 ways, for example, as 12121789801 + 240150962704 = 110099^2 + 490052^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252272752505 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252272752507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1956182 + ... + 2081151.

It is an arithmetic number, because the mean of its divisors is an integer number (37843950249).

Almost surely, 2^252272752505 is an apocalyptic number.

It is an amenable number.

252272752505 is a deficient number, since it is larger than the sum of its proper divisors (50478849487).

252272752505 is a wasteful number, since it uses less digits than its factorization.

252272752505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049835.

The product of its (nonzero) digits is 980000, while the sum is 44.

The spelling of 252272752505 in words is "two hundred fifty-two billion, two hundred seventy-two million, seven hundred fifty-two thousand, five hundred five".