253738803 has 4 divisors (see below), whose sum is σ = 338318408. Its totient is φ = 169159200.

The previous prime is 253738799. The next prime is 253738817. The reversal of 253738803 is 308837352.

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

It is not a de Polignac number, because 253738803 - 2² = 253738799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253738883) 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, 42289798 + ... + 42289803.

It is an arithmetic number, because the mean of its divisors is an integer number (84579602).

Almost surely, 2^253738803 is an apocalyptic number.

253738803 is a deficient number, since it is larger than the sum of its proper divisors (84579605).

253738803 is an equidigital number, since it uses as much as digits as its factorization.

253738803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84579604.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 253738803 is about 15929.1808640620. The cubic root of 253738803 is about 633.0853963638.

It can be divided in two parts, 253738 and 803, that added together give a triangular number (254541 = T₇₁₃).

The spelling of 253738803 in words is "two hundred fifty-three million, seven hundred thirty-eight thousand, eight hundred three".