252550320341 has 4 divisors (see below), whose sum is σ = 275509440384. Its totient is φ = 229591200300.

The previous prime is 252550320311. The next prime is 252550320359. The reversal of 252550320341 is 143023055252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-252550320341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252550320298 and 252550320307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252550320301) 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, 11479560005 + ... + 11479560026.

It is an arithmetic number, because the mean of its divisors is an integer number (68877360096).

Almost surely, 2^252550320341 is an apocalyptic number.

It is an amenable number.

252550320341 is a deficient number, since it is larger than the sum of its proper divisors (22959120043).

252550320341 is a wasteful number, since it uses less digits than its factorization.

252550320341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22959120042.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 252550320341 its reverse (143023055252), we get a palindrome (395573375593).

The spelling of 252550320341 in words is "two hundred fifty-two billion, five hundred fifty million, three hundred twenty thousand, three hundred forty-one".