102392893 has 2 divisors, whose sum is σ = 102392894. Its totient is φ = 102392892.

The previous prime is 102392839. The next prime is 102392911. The reversal of 102392893 is 398293201.

Together with previous prime (102392839) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102353689 + 39204 = 10117^2 + 198^2 .

It is an emirp because it is prime and its reverse (398293201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102392893 - 2²⁵ = 68838461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102392393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51196446 + 51196447.

It is an arithmetic number, because the mean of its divisors is an integer number (51196447).

Almost surely, 2^102392893 is an apocalyptic number.

It is an amenable number.

102392893 is a deficient number, since it is larger than the sum of its proper divisors (1).

102392893 is an equidigital number, since it uses as much as digits as its factorization.

102392893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 102392893 is about 10118.9373453935. The cubic root of 102392893 is about 467.8320144292.

It can be divided in two parts, 102392 and 893, that added together give a triangular number (103285 = T₄₅₄).

The spelling of 102392893 in words is "one hundred two million, three hundred ninety-two thousand, eight hundred ninety-three".