102075917 has 2 divisors, whose sum is σ = 102075918. Its totient is φ = 102075916.

The previous prime is 102075899. The next prime is 102075971. The reversal of 102075917 is 719570201.

Together with next prime (102075971) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100681156 + 1394761 = 10034^2 + 1181^2 .

It is a cyclic number.

It is not a de Polignac number, because 102075917 - 2⁸ = 102075661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102015917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51037958 + 51037959.

It is an arithmetic number, because the mean of its divisors is an integer number (51037959).

Almost surely, 2^102075917 is an apocalyptic number.

It is an amenable number.

102075917 is a deficient number, since it is larger than the sum of its proper divisors (1).

102075917 is an equidigital number, since it uses as much as digits as its factorization.

102075917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 102075917 is about 10103.2626908341. The cubic root of 102075917 is about 467.3487621215.

The spelling of 102075917 in words is "one hundred two million, seventy-five thousand, nine hundred seventeen".