1253814803 has 4 divisors (see below), whose sum is σ = 1258245528. Its totient is φ = 1249384080.

The previous prime is 1253814761. The next prime is 1253814811. The reversal of 1253814803 is 3084183521.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253814803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253814703) 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, 2214938 + ... + 2215503.

It is an arithmetic number, because the mean of its divisors is an integer number (314561382).

Almost surely, 2^1253814803 is an apocalyptic number.

1253814803 is a deficient number, since it is larger than the sum of its proper divisors (4430725).

1253814803 is an equidigital number, since it uses as much as digits as its factorization.

1253814803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430724.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1253814803 is about 35409.2474221071. The cubic root of 1253814803 is about 1078.3120646553.

The spelling of 1253814803 in words is "one billion, two hundred fifty-three million, eight hundred fourteen thousand, eight hundred three".