253140203 has 4 divisors (see below), whose sum is σ = 261306048. Its totient is φ = 244974360.

The previous prime is 253140193. The next prime is 253140233. The reversal of 253140203 is 302041352.

It is a happy number.

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 253140203 - 2⁴ = 253140187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253140233) 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, 4082876 + ... + 4082937.

It is an arithmetic number, because the mean of its divisors is an integer number (65326512).

Almost surely, 2^253140203 is an apocalyptic number.

253140203 is a deficient number, since it is larger than the sum of its proper divisors (8165845).

253140203 is an equidigital number, since it uses as much as digits as its factorization.

253140203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8165844.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 253140203 is about 15910.3803537188. The cubic root of 253140203 is about 632.5871631246.

Adding to 253140203 its reverse (302041352), we get a palindrome (555181555).

The spelling of 253140203 in words is "two hundred fifty-three million, one hundred forty thousand, two hundred three".