1253451325343 has 8 divisors (see below), whose sum is σ = 1434729894912. Its totient is φ = 1072726279416.

The previous prime is 1253451325309. The next prime is 1253451325369. The reversal of 1253451325343 is 3435231543521.

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 1253451325343 - 2⁶ = 1253451325279 is a prime.

It is a super-2 number, since 2×1253451325343² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1253451325343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253451325843) 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, 138376055 + ... + 138385112.

It is an arithmetic number, because the mean of its divisors is an integer number (179341236864).

Almost surely, 2^{1253451325343} is an apocalyptic number.

1253451325343 is a deficient number, since it is larger than the sum of its proper divisors (181278569569).

1253451325343 is an equidigital number, since it uses as much as digits as its factorization.

1253451325343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276761821.

The product of its digits is 648000, while the sum is 41.

Adding to 1253451325343 its reverse (3435231543521), we get a palindrome (4688682868864).

The spelling of 1253451325343 in words is "one trillion, two hundred fifty-three billion, four hundred fifty-one million, three hundred twenty-five thousand, three hundred forty-three".