1253323301 has 4 divisors (see below), whose sum is σ = 1283892204. Its totient is φ = 1222754400.

The previous prime is 1253323297. The next prime is 1253323303. The reversal of 1253323301 is 1033233521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1033233521 = 683 ⋅1512787.

It can be written as a sum of positive squares in 2 ways, for example, as 16394401 + 1236928900 = 4049^2 + 35170^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253323301 - 2² = 1253323297 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253323303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15284390 + ... + 15284471.

It is an arithmetic number, because the mean of its divisors is an integer number (320973051).

Almost surely, 2^1253323301 is an apocalyptic number.

It is an amenable number.

1253323301 is a deficient number, since it is larger than the sum of its proper divisors (30568903).

1253323301 is an equidigital number, since it uses as much as digits as its factorization.

1253323301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30568902.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1253323301 is about 35402.3064361632. The cubic root of 1253323301 is about 1078.1711449055.

Adding to 1253323301 its reverse (1033233521), we get a palindrome (2286556822).

The spelling of 1253323301 in words is "one billion, two hundred fifty-three million, three hundred twenty-three thousand, three hundred one".