1253319203 has 4 divisors (see below), whose sum is σ = 1327043880. Its totient is φ = 1179594528.

The previous prime is 1253319161. The next prime is 1253319227. The reversal of 1253319203 is 3029133521.

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

It is a cyclic number.

It is not a de Polignac number, because 1253319203 - 2¹⁶ = 1253253667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253319233) 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, 36862313 + ... + 36862346.

It is an arithmetic number, because the mean of its divisors is an integer number (331760970).

Almost surely, 2^1253319203 is an apocalyptic number.

1253319203 is a deficient number, since it is larger than the sum of its proper divisors (73724677).

1253319203 is an equidigital number, since it uses as much as digits as its factorization.

1253319203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73724676.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 1253319203 is about 35402.2485585309. The cubic root of 1253319203 is about 1078.1699698030.

The spelling of 1253319203 in words is "one billion, two hundred fifty-three million, three hundred nineteen thousand, two hundred three".