1253351303 has 4 divisors (see below), whose sum is σ = 1280018400. Its totient is φ = 1226684208.

The previous prime is 1253351293. The next prime is 1253351329. The reversal of 1253351303 is 3031533521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1253351303 - 2⁴ = 1253351287 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 (1253311303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13333478 + ... + 13333571.

It is an arithmetic number, because the mean of its divisors is an integer number (320004600).

Almost surely, 2^1253351303 is an apocalyptic number.

1253351303 is a deficient number, since it is larger than the sum of its proper divisors (26667097).

1253351303 is an equidigital number, since it uses as much as digits as its factorization.

1253351303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26667096.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 1253351303 is about 35402.7019166617. The cubic root of 1253351303 is about 1078.1791744176.

Adding to 1253351303 its reverse (3031533521), we get a palindrome (4284884824).

It can be divided in two parts, 12533 and 51303, that added together give a palindrome (63836).

The spelling of 1253351303 in words is "one billion, two hundred fifty-three million, three hundred fifty-one thousand, three hundred three".