203252100273 has 24 divisors (see below), whose sum is σ = 296450264448. Its totient is φ = 134180629152.

The previous prime is 203252100241. The next prime is 203252100287. The reversal of 203252100273 is 372001252302.

It is a happy number.

It is not a de Polignac number, because 203252100273 - 2⁵ = 203252100241 is a prime.

It is a super-2 number, since 2×203252100273² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (203252100173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2407411 + ... + 2490407.

It is an arithmetic number, because the mean of its divisors is an integer number (12352094352).

Almost surely, 2^203252100273 is an apocalyptic number.

It is an amenable number.

203252100273 is a deficient number, since it is larger than the sum of its proper divisors (93198164175).

203252100273 is a wasteful number, since it uses less digits than its factorization.

203252100273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85653 (or 85650 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

Adding to 203252100273 its reverse (372001252302), we get a palindrome (575253352575).

The spelling of 203252100273 in words is "two hundred three billion, two hundred fifty-two million, one hundred thousand, two hundred seventy-three".