1353324253 has 4 divisors (see below), whose sum is σ = 1432931580. Its totient is φ = 1273716928.

The previous prime is 1353324233. The next prime is 1353324293. The reversal of 1353324253 is 3524233531.

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 1135555204 + 217769049 = 33698^2 + 14757^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353324253 - 2¹⁷ = 1353193181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353324233) 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, 39803638 + ... + 39803671.

It is an arithmetic number, because the mean of its divisors is an integer number (358232895).

Almost surely, 2^1353324253 is an apocalyptic number.

It is an amenable number.

1353324253 is a deficient number, since it is larger than the sum of its proper divisors (79607327).

1353324253 is an equidigital number, since it uses as much as digits as its factorization.

1353324253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79607326.

The product of its digits is 32400, while the sum is 31.

The square root of 1353324253 is about 36787.5556812355. Note that the first 3 decimals coincide. The cubic root of 1353324253 is about 1106.1158654735.

Adding to 1353324253 its reverse (3524233531), we get a palindrome (4877557784).

The spelling of 1353324253 in words is "one billion, three hundred fifty-three million, three hundred twenty-four thousand, two hundred fifty-three".