203413 has 4 divisors (see below), whose sum is σ = 232480. Its totient is φ = 174348.

The previous prime is 203393. The next prime is 203417. The reversal of 203413 is 314302.

203413 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 203413 - 2⁵ = 203381 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 0 + 4⁸ + 3⁵ + 1 + 3⁸ .

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 203393 and 203402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203417) 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, 14523 + ... + 14536.

It is an arithmetic number, because the mean of its divisors is an integer number (58120).

2²⁰³⁴¹³ is an apocalyptic number.

It is an amenable number.

203413 is a deficient number, since it is larger than the sum of its proper divisors (29067).

203413 is an equidigital number, since it uses as much as digits as its factorization.

203413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29066.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 203413 is about 451.0133035732. The cubic root of 203413 is about 58.8111359969.

Adding to 203413 its reverse (314302), we get a palindrome (517715).

Subtracting 203413 from its reverse (314302), we obtain a square (110889 = 333²).

It can be divided in two parts, 203 and 413, that added together give a palindrome (616).

The spelling of 203413 in words is "two hundred three thousand, four hundred thirteen".