253232042011321 has 4 divisors (see below), whose sum is σ = 253232208489700. Its totient is φ = 253231875532944.

The previous prime is 253232042011303. The next prime is 253232042011373. The reversal of 253232042011321 is 123110240232352.

It is a happy number.

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 92799698227600 + 160432343783721 = 9633260^2 + 12666189^2 .

It is a cyclic number.

It is not a de Polignac number, because 253232042011321 - 2²⁹ = 253231505140409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253532042011321) 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, 80936286 + ... + 84006823.

It is an arithmetic number, because the mean of its divisors is an integer number (63308052122425).

Almost surely, 2^{253232042011321} is an apocalyptic number.

It is an amenable number.

253232042011321 is a deficient number, since it is larger than the sum of its proper divisors (166478379).

253232042011321 is a wasteful number, since it uses less digits than its factorization.

253232042011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166478378.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 253232042011321 its reverse (123110240232352), we get a palindrome (376342282243673).

The spelling of 253232042011321 in words is "two hundred fifty-three trillion, two hundred thirty-two billion, forty-two million, eleven thousand, three hundred twenty-one".