253500203 has 12 divisors (see below), whose sum is σ = 281413104. Its totient is φ = 228162000.

The previous prime is 253500197. The next prime is 253500217. The reversal of 253500203 is 302005352.

It is not a de Polignac number, because 253500203 - 2¹⁸ = 253238059 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253500293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1850 + ... + 22592.

It is an arithmetic number, because the mean of its divisors is an integer number (23451092).

Almost surely, 2^253500203 is an apocalyptic number.

253500203 is a deficient number, since it is larger than the sum of its proper divisors (27912901).

253500203 is a wasteful number, since it uses less digits than its factorization.

253500203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20866 (or 20855 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 253500203 is about 15921.6897030435. The cubic root of 253500203 is about 632.8868962450.

Adding to 253500203 its reverse (302005352), we get a palindrome (555505555).

The spelling of 253500203 in words is "two hundred fifty-three million, five hundred thousand, two hundred three".