203232413 has 4 divisors (see below), whose sum is σ = 203798880. Its totient is φ = 202665948.

The previous prime is 203232409. The next prime is 203232431. The reversal of 203232413 is 314232302.

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 203232413 - 2² = 203232409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203232473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282695 + ... + 283412.

It is an arithmetic number, because the mean of its divisors is an integer number (50949720).

Almost surely, 2^203232413 is an apocalyptic number.

It is an amenable number.

203232413 is a deficient number, since it is larger than the sum of its proper divisors (566467).

203232413 is an equidigital number, since it uses as much as digits as its factorization.

203232413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566466.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 203232413 is about 14255.9606130208. The cubic root of 203232413 is about 587.9372696357.

Adding to 203232413 its reverse (314232302), we get a palindrome (517464715).

The spelling of 203232413 in words is "two hundred three million, two hundred thirty-two thousand, four hundred thirteen".