203254661 has 2 divisors, whose sum is σ = 203254662. Its totient is φ = 203254660.

The previous prime is 203254651. The next prime is 203254687. The reversal of 203254661 is 166452302.

203254661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112890625 + 90364036 = 10625^2 + 9506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203254661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203254621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101627330 + 101627331.

It is an arithmetic number, because the mean of its divisors is an integer number (101627331).

Almost surely, 2^203254661 is an apocalyptic number.

It is an amenable number.

203254661 is a deficient number, since it is larger than the sum of its proper divisors (1).

203254661 is an equidigital number, since it uses as much as digits as its factorization.

203254661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 203254661 is about 14256.7408968530. The cubic root of 203254661 is about 587.9587228263.

The spelling of 203254661 in words is "two hundred three million, two hundred fifty-four thousand, six hundred sixty-one".