202404100253 has 4 divisors (see below), whose sum is σ = 202406341788. Its totient is φ = 202401858720.

The previous prime is 202404100243. The next prime is 202404100267. The reversal of 202404100253 is 352001404202.

It is a happy number.

202404100253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 165924246244 + 36479854009 = 407338^2 + 190997^2 .

It is a cyclic number.

It is not a de Polignac number, because 202404100253 - 2²² = 202399905949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202404100243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979376 + ... + 1167897.

It is an arithmetic number, because the mean of its divisors is an integer number (50601585447).

Almost surely, 2^202404100253 is an apocalyptic number.

It is an amenable number.

202404100253 is a deficient number, since it is larger than the sum of its proper divisors (2241535).

202404100253 is an equidigital number, since it uses as much as digits as its factorization.

202404100253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241534.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 202404100253 its reverse (352001404202), we get a palindrome (554405504455).

The spelling of 202404100253 in words is "two hundred two billion, four hundred four million, one hundred thousand, two hundred fifty-three".