7150009 has 2 divisors, whose sum is σ = 7150010. Its totient is φ = 7150008.

The previous prime is 7150007. The next prime is 7150019. The reversal of 7150009 is 9000517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5198400 + 1951609 = 2280^2 + 1397^2 .

It is an emirp because it is prime and its reverse (9000517) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7150009 - 2¹ = 7150007 is a prime.

It is a super-2 number, since 2×7150009² = 102245257400162, which contains 22 as substring.

Together with 7150007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7150007) 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, 3575004 + 3575005.

It is an arithmetic number, because the mean of its divisors is an integer number (3575005).

Almost surely, 2^7150009 is an apocalyptic number.

It is an amenable number.

7150009 is a deficient number, since it is larger than the sum of its proper divisors (1).

7150009 is an equidigital number, since it uses as much as digits as its factorization.

7150009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 7150009 is about 2673.9500743282. The cubic root of 7150009 is about 192.6499332271.

The spelling of 7150009 in words is "seven million, one hundred fifty thousand, nine".