102925289 has 2 divisors, whose sum is σ = 102925290. Its totient is φ = 102925288.

The previous prime is 102925283. The next prime is 102925307. The reversal of 102925289 is 982529201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77088400 + 25836889 = 8780^2 + 5083^2 .

It is an emirp because it is prime and its reverse (982529201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102925289 - 2¹⁶ = 102859753 is a prime.

It is not a weakly prime, because it can be changed into another prime (102925283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51462644 + 51462645.

It is an arithmetic number, because the mean of its divisors is an integer number (51462645).

Almost surely, 2^102925289 is an apocalyptic number.

It is an amenable number.

102925289 is a deficient number, since it is larger than the sum of its proper divisors (1).

102925289 is an equidigital number, since it uses as much as digits as its factorization.

102925289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 102925289 is about 10145.2101506080. The cubic root of 102925289 is about 468.6414503255.

The spelling of 102925289 in words is "one hundred two million, nine hundred twenty-five thousand, two hundred eighty-nine".