102803893 has 2 divisors, whose sum is σ = 102803894. Its totient is φ = 102803892.

The previous prime is 102803887. The next prime is 102803917. The reversal of 102803893 is 398308201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83942244 + 18861649 = 9162^2 + 4343^2 .

It is an emirp because it is prime and its reverse (398308201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102803893 - 2⁵ = 102803861 is a prime.

It is equal to p_5913673 and since 102803893 and 5913673 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102803803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51401946 + 51401947.

It is an arithmetic number, because the mean of its divisors is an integer number (51401947).

Almost surely, 2^102803893 is an apocalyptic number.

It is an amenable number.

102803893 is a deficient number, since it is larger than the sum of its proper divisors (1).

102803893 is an equidigital number, since it uses as much as digits as its factorization.

102803893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 102803893 is about 10139.2254635154. The cubic root of 102803893 is about 468.4571302890.

The spelling of 102803893 in words is "one hundred two million, eight hundred three thousand, eight hundred ninety-three".