102066529 has 2 divisors, whose sum is σ = 102066530.
Its totient is φ = 102066528.
The previous prime is 102066491. The next prime is 102066541. The reversal of 102066529 is 925660201.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 73068304 + 28998225 = 8548^2 + 5385^2
It is a cyclic number.
It is not a de Polignac number, because 102066529 - 215 = 102033761 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 102066529.
It is not a weakly prime, because it can be changed into another prime (102066599) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51033264 + 51033265.
It is an arithmetic number, because the mean of its divisors is an integer number (51033265).
Almost surely, 2102066529 is an apocalyptic number.
It is an amenable number.
102066529 is a deficient number, since it is larger than the sum of its proper divisors (1).
102066529 is an equidigital number, since it uses as much as digits as its factorization.
102066529 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 102066529 is about 10102.7980777604.
The cubic root of 102066529 is about 467.3344342081.
The spelling of 102066529 in words is "one hundred two million, sixty-six thousand, five hundred twenty-nine".