7020889 has 2 divisors, whose sum is σ = 7020890. Its totient is φ = 7020888.

The previous prime is 7020877. The next prime is 7020901. The reversal of 7020889 is 9880207.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (7020877) and next prime (7020901).

It can be written as a sum of positive squares in only one way, i.e., 6150400 + 870489 = 2480^2 + 933^2 .

It is a cyclic number.

It is not a de Polignac number, because 7020889 - 2¹³ = 7012697 is a prime.

It is not a weakly prime, because it can be changed into another prime (7020829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510444 + 3510445.

It is an arithmetic number, because the mean of its divisors is an integer number (3510445).

Almost surely, 2^7020889 is an apocalyptic number.

It is an amenable number.

7020889 is a deficient number, since it is larger than the sum of its proper divisors (1).

7020889 is an equidigital number, since it uses as much as digits as its factorization.

7020889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 7020889 is about 2649.6960203012. The cubic root of 7020889 is about 191.4832113117.

The spelling of 7020889 in words is "seven million, twenty thousand, eight hundred eighty-nine".