7289129 has 2 divisors, whose sum is σ = 7289130. Its totient is φ = 7289128.

The previous prime is 7289119. The next prime is 7289167. The reversal of 7289129 is 9219827.

It is an a-pointer prime, because the next prime (7289167) can be obtained adding 7289129 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5107600 + 2181529 = 2260^2 + 1477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7289129 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7289092 and 7289101.

It is not a weakly prime, because it can be changed into another prime (7289119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3644564 + 3644565.

It is an arithmetic number, because the mean of its divisors is an integer number (3644565).

Almost surely, 2^7289129 is an apocalyptic number.

It is an amenable number.

7289129 is a deficient number, since it is larger than the sum of its proper divisors (1).

7289129 is an equidigital number, since it uses as much as digits as its factorization.

7289129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 38.

The square root of 7289129 is about 2699.8386988855. The cubic root of 7289129 is about 193.8913995212.

The spelling of 7289129 in words is "seven million, two hundred eighty-nine thousand, one hundred twenty-nine".