253445320425331 has 8 divisors (see below), whose sum is σ = 255064832855280. Its totient is φ = 251825873958048.

The previous prime is 253445320425317. The next prime is 253445320425343. The reversal of 253445320425331 is 133524023544352.

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

It is a cyclic number.

It is not a de Polignac number, because 253445320425331 - 2¹¹ = 253445320423283 is a prime.

It is a super-2 number, since 2×253445320425331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253445320405331) 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, 8770096 + ... + 24162061.

It is an arithmetic number, because the mean of its divisors is an integer number (31883104106910).

Almost surely, 2^{253445320425331} is an apocalyptic number.

253445320425331 is a deficient number, since it is larger than the sum of its proper divisors (1619512429949).

253445320425331 is a wasteful number, since it uses less digits than its factorization.

253445320425331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32981333.

The product of its (nonzero) digits is 5184000, while the sum is 46.

Adding to 253445320425331 its reverse (133524023544352), we get a palindrome (386969343969683).

The spelling of 253445320425331 in words is "two hundred fifty-three trillion, four hundred forty-five billion, three hundred twenty million, four hundred twenty-five thousand, three hundred thirty-one".