102266893 has 2 divisors, whose sum is σ = 102266894. Its totient is φ = 102266892.

The previous prime is 102266881. The next prime is 102266981. The reversal of 102266893 is 398662201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98664489 + 3602404 = 9933^2 + 1898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102266893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102266863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51133446 + 51133447.

It is an arithmetic number, because the mean of its divisors is an integer number (51133447).

Almost surely, 2^102266893 is an apocalyptic number.

It is an amenable number.

102266893 is a deficient number, since it is larger than the sum of its proper divisors (1).

102266893 is an equidigital number, since it uses as much as digits as its factorization.

102266893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 102266893 is about 10112.7094786709. The cubic root of 102266893 is about 467.6400381188.

The spelling of 102266893 in words is "one hundred two million, two hundred sixty-six thousand, eight hundred ninety-three".