252343035355321 has 4 divisors (see below), whose sum is σ = 255799789264372. Its totient is φ = 248886281446272.

The previous prime is 252343035355183. The next prime is 252343035355357. The reversal of 252343035355321 is 123553530343252.

252343035355321 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 189660409475625 + 62682625879696 = 13771725^2 + 7917236^2 .

It is a cyclic number.

It is not a de Polignac number, because 252343035355321 - 2¹¹ = 252343035353273 is a prime.

It is a super-3 number, since 3×252343035355321³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252343035355391) 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, 1728376954416 + ... + 1728376954561.

It is an arithmetic number, because the mean of its divisors is an integer number (63949947316093).

Almost surely, 2^{252343035355321} is an apocalyptic number.

It is an amenable number.

252343035355321 is a deficient number, since it is larger than the sum of its proper divisors (3456753909051).

252343035355321 is an equidigital number, since it uses as much as digits as its factorization.

252343035355321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456753909050.

The product of its (nonzero) digits is 4860000, while the sum is 46.

Adding to 252343035355321 its reverse (123553530343252), we get a palindrome (375896565698573).

The spelling of 252343035355321 in words is "two hundred fifty-two trillion, three hundred forty-three billion, thirty-five million, three hundred fifty-five thousand, three hundred twenty-one".