102573217 has 2 divisors, whose sum is σ = 102573218. Its totient is φ = 102573216.

The previous prime is 102573187. The next prime is 102573227. The reversal of 102573217 is 712375201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102495376 + 77841 = 10124^2 + 279^2 .

It is a cyclic number.

It is not a de Polignac number, because 102573217 - 2¹⁹ = 102048929 is a prime.

It is not a weakly prime, because it can be changed into another prime (102573227) 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, 51286608 + 51286609.

It is an arithmetic number, because the mean of its divisors is an integer number (51286609).

Almost surely, 2^102573217 is an apocalyptic number.

It is an amenable number.

102573217 is a deficient number, since it is larger than the sum of its proper divisors (1).

102573217 is an equidigital number, since it uses as much as digits as its factorization.

102573217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 102573217 is about 10127.8436500570. The cubic root of 102573217 is about 468.1064861665.

The spelling of 102573217 in words is "one hundred two million, five hundred seventy-three thousand, two hundred seventeen".