7016389 has 2 divisors, whose sum is σ = 7016390. Its totient is φ = 7016388.

The previous prime is 7016381. The next prime is 7016413. The reversal of 7016389 is 9836107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5616900 + 1399489 = 2370^2 + 1183^2 .

It is an emirp because it is prime and its reverse (9836107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7016389 - 2³ = 7016381 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7016381) 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, 3508194 + 3508195.

It is an arithmetic number, because the mean of its divisors is an integer number (3508195).

Almost surely, 2^7016389 is an apocalyptic number.

It is an amenable number.

7016389 is a deficient number, since it is larger than the sum of its proper divisors (1).

7016389 is an equidigital number, since it uses as much as digits as its factorization.

7016389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 7016389 is about 2648.8467301828. The cubic root of 7016389 is about 191.4422925329.

The spelling of 7016389 in words is "seven million, sixteen thousand, three hundred eighty-nine".