203241997 has 16 divisors (see below), whose sum is σ = 235497600. Its totient is φ = 171806400.

The previous prime is 203241991. The next prime is 203242009. The reversal of 203241997 is 799142302.

It is a cyclic number.

It is not a de Polignac number, because 203241997 - 2¹⁵ = 203209229 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 (203241991) 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 15 ways as a sum of consecutive naturals, for example, 274654 + ... + 275392.

It is an arithmetic number, because the mean of its divisors is an integer number (14718600).

Almost surely, 2^203241997 is an apocalyptic number.

It is an amenable number.

203241997 is a deficient number, since it is larger than the sum of its proper divisors (32255603).

203241997 is a wasteful number, since it uses less digits than its factorization.

203241997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 203241997 is about 14256.2967491561. The cubic root of 203241997 is about 587.9465114394.

The spelling of 203241997 in words is "two hundred three million, two hundred forty-one thousand, nine hundred ninety-seven".