202404413 has 4 divisors (see below), whose sum is σ = 207341148. Its totient is φ = 197467680.

The previous prime is 202404409. The next prime is 202404437. The reversal of 202404413 is 314404202.

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 7606564 + 194797849 = 2758^2 + 13957^2 .

It is a cyclic number.

It is not a de Polignac number, because 202404413 - 2² = 202404409 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 (202404443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2468306 + ... + 2468387.

It is an arithmetic number, because the mean of its divisors is an integer number (51835287).

Almost surely, 2^202404413 is an apocalyptic number.

It is an amenable number.

202404413 is a deficient number, since it is larger than the sum of its proper divisors (4936735).

202404413 is an equidigital number, since it uses as much as digits as its factorization.

202404413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4936734.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 202404413 is about 14226.8904894921. The cubic root of 202404413 is about 587.1377339905.

Adding to 202404413 its reverse (314404202), we get a palindrome (516808615).

The spelling of 202404413 in words is "two hundred two million, four hundred four thousand, four hundred thirteen".