7285387 has 2 divisors, whose sum is σ = 7285388. Its totient is φ = 7285386.

The previous prime is 7285373. The next prime is 7285391. The reversal of 7285387 is 7835827.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7285387 is a prime.

7285387 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7285787) 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, 3642693 + 3642694.

It is an arithmetic number, because the mean of its divisors is an integer number (3642694).

Almost surely, 2^7285387 is an apocalyptic number.

7285387 is a deficient number, since it is larger than the sum of its proper divisors (1).

7285387 is an equidigital number, since it uses as much as digits as its factorization.

7285387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 40.

The square root of 7285387 is about 2699.1456055574. The cubic root of 7285387 is about 193.8582146780.

The spelling of 7285387 in words is "seven million, two hundred eighty-five thousand, three hundred eighty-seven".