7282129 has 2 divisors, whose sum is σ = 7282130. Its totient is φ = 7282128.

The previous prime is 7282127. The next prime is 7282151. The reversal of 7282129 is 9212827.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6115729 + 1166400 = 2473^2 + 1080^2 .

It is a cyclic number.

It is not a de Polignac number, because 7282129 - 2¹ = 7282127 is a prime.

Together with 7282127, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7282129.

It is not a weakly prime, because it can be changed into another prime (7282123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3641064 + 3641065.

It is an arithmetic number, because the mean of its divisors is an integer number (3641065).

Almost surely, 2^7282129 is an apocalyptic number.

It is an amenable number.

7282129 is a deficient number, since it is larger than the sum of its proper divisors (1).

7282129 is an equidigital number, since it uses as much as digits as its factorization.

7282129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The square root of 7282129 is about 2698.5420137548. The cubic root of 7282129 is about 193.8293127937.

The spelling of 7282129 in words is "seven million, two hundred eighty-two thousand, one hundred twenty-nine".