203232641 has 4 divisors (see below), whose sum is σ = 206266032. Its totient is φ = 200199252.

The previous prime is 203232599. The next prime is 203232643. The reversal of 203232641 is 146232302.

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, and also an emirpimes, since its reverse is a distinct semiprime: 146232302 = 2 ⋅73116151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203232641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203232643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516595 + ... + 1516728.

It is an arithmetic number, because the mean of its divisors is an integer number (51566508).

Almost surely, 2^203232641 is an apocalyptic number.

It is an amenable number.

203232641 is a deficient number, since it is larger than the sum of its proper divisors (3033391).

203232641 is an equidigital number, since it uses as much as digits as its factorization.

203232641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033390.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 203232641 is about 14255.9686096736. The cubic root of 203232641 is about 587.9374894983.

Adding to 203232641 its reverse (146232302), we get a palindrome (349464943).

The spelling of 203232641 in words is "two hundred three million, two hundred thirty-two thousand, six hundred forty-one".