102449329 has 2 divisors, whose sum is σ = 102449330. Its totient is φ = 102449328.

The previous prime is 102449267. The next prime is 102449353. The reversal of 102449329 is 923944201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71368704 + 31080625 = 8448^2 + 5575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102449329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102449294 and 102449303.

It is not a weakly prime, because it can be changed into another prime (102449129) 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, 51224664 + 51224665.

It is an arithmetic number, because the mean of its divisors is an integer number (51224665).

Almost surely, 2^102449329 is an apocalyptic number.

It is an amenable number.

102449329 is a deficient number, since it is larger than the sum of its proper divisors (1).

102449329 is an equidigital number, since it uses as much as digits as its factorization.

102449329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 102449329 is about 10121.7255939884. The cubic root of 102449329 is about 467.9179504661.

The spelling of 102449329 in words is "one hundred two million, four hundred forty-nine thousand, three hundred twenty-nine".