203085481 has 2 divisors, whose sum is σ = 203085482. Its totient is φ = 203085480.

The previous prime is 203085473. The next prime is 203085499. The reversal of 203085481 is 184580302.

203085481 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., 145082025 + 58003456 = 12045^2 + 7616^2 .

It is a cyclic number.

It is not a de Polignac number, because 203085481 - 2³ = 203085473 is a prime.

It is a super-2 number, since 2×203085481² = 82487425186002722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (203085881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101542740 + 101542741.

It is an arithmetic number, because the mean of its divisors is an integer number (101542741).

Almost surely, 2^203085481 is an apocalyptic number.

It is an amenable number.

203085481 is a deficient number, since it is larger than the sum of its proper divisors (1).

203085481 is an equidigital number, since it uses as much as digits as its factorization.

203085481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 203085481 is about 14250.8063280644. The cubic root of 203085481 is about 587.7955474492.

The spelling of 203085481 in words is "two hundred three million, eighty-five thousand, four hundred eighty-one".