253315203 has 16 divisors (see below), whose sum is σ = 351563520. Its totient is φ = 162044064.

The previous prime is 253315199. The next prime is 253315207. The reversal of 253315203 is 302513352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (253315199) and next prime (253315207).

It is not a de Polignac number, because 253315203 - 2² = 253315199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253315207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5250 + ... + 23112.

It is an arithmetic number, because the mean of its divisors is an integer number (21972720).

Almost surely, 2^253315203 is an apocalyptic number.

253315203 is a deficient number, since it is larger than the sum of its proper divisors (98248317).

253315203 is a wasteful number, since it uses less digits than its factorization.

253315203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18058.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 253315203 is about 15915.8789578207. The cubic root of 253315203 is about 632.7329021943.

Adding to 253315203 its reverse (302513352), we get a palindrome (555828555).

The spelling of 253315203 in words is "two hundred fifty-three million, three hundred fifteen thousand, two hundred three".