7001287 has 2 divisors, whose sum is σ = 7001288. Its totient is φ = 7001286.

The previous prime is 7001279. The next prime is 7001311. The reversal of 7001287 is 7821007.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7001287 - 2³ = 7001279 is a prime.

7001287 is a modest number, since divided by 1287 gives 7 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7001237) 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, 3500643 + 3500644.

It is an arithmetic number, because the mean of its divisors is an integer number (3500644).

Almost surely, 2^7001287 is an apocalyptic number.

7001287 is a deficient number, since it is larger than the sum of its proper divisors (1).

7001287 is an equidigital number, since it uses as much as digits as its factorization.

7001287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 7001287 is about 2645.9945200246. The cubic root of 7001287 is about 191.3048410942.

The spelling of 7001287 in words is "seven million, one thousand, two hundred eighty-seven".