203252961 has 4 divisors (see below), whose sum is σ = 271003952. Its totient is φ = 135501972.

The previous prime is 203252953. The next prime is 203252963. The reversal of 203252961 is 169252302.

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 not a de Polignac number, because 203252961 - 2³ = 203252953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203252963) 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, 33875491 + ... + 33875496.

It is an arithmetic number, because the mean of its divisors is an integer number (67750988).

Almost surely, 2^203252961 is an apocalyptic number.

It is an amenable number.

203252961 is a deficient number, since it is larger than the sum of its proper divisors (67750991).

203252961 is an equidigital number, since it uses as much as digits as its factorization.

203252961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67750990.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 203252961 is about 14256.6812758089. The cubic root of 203252961 is about 587.9570836140.

The spelling of 203252961 in words is "two hundred three million, two hundred fifty-two thousand, nine hundred sixty-one".