203482813 has 2 divisors, whose sum is σ = 203482814. Its totient is φ = 203482812.

The previous prime is 203482801. The next prime is 203482823. The reversal of 203482813 is 318284302.

203482813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153313924 + 50168889 = 12382^2 + 7083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203482813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203482823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101741406 + 101741407.

It is an arithmetic number, because the mean of its divisors is an integer number (101741407).

Almost surely, 2^203482813 is an apocalyptic number.

It is an amenable number.

203482813 is a deficient number, since it is larger than the sum of its proper divisors (1).

203482813 is an equidigital number, since it uses as much as digits as its factorization.

203482813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 203482813 is about 14264.7402009290. The cubic root of 203482813 is about 588.1786338109.

The spelling of 203482813 in words is "two hundred three million, four hundred eighty-two thousand, eight hundred thirteen".