7051889 has 12 divisors (see below), whose sum is σ = 8071644. Its totient is φ = 6123264.

The previous prime is 7051883. The next prime is 7051897. The reversal of 7051889 is 9881507.

It can be written as a sum of positive squares in 6 ways, for example, as 187489 + 6864400 = 433^2 + 2620^2 .

It is not a de Polignac number, because 7051889 - 2⁸ = 7051633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7051883) 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 in 11 ways as a sum of consecutive naturals, for example, 2819 + ... + 4695.

It is an arithmetic number, because the mean of its divisors is an integer number (672637).

Almost surely, 2^7051889 is an apocalyptic number.

It is an amenable number.

7051889 is a deficient number, since it is larger than the sum of its proper divisors (1019755).

7051889 is a wasteful number, since it uses less digits than its factorization.

7051889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 7051889 is about 2655.5393049247. The cubic root of 7051889 is about 191.7646222248.

It can be divided in two parts, 70518 and 89, that added together give a palindrome (70607).

The spelling of 7051889 in words is "seven million, fifty-one thousand, eight hundred eighty-nine".