7111625 has 8 divisors (see below), whose sum is σ = 8875464. Its totient is φ = 5689200.

The previous prime is 7111607. The next prime is 7111639. The reversal of 7111625 is 5261117.

It can be written as a sum of positive squares in 4 ways, for example, as 1138489 + 5973136 = 1067^2 + 2444^2 .

It is not a de Polignac number, because 7111625 - 2⁶ = 7111561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7111625.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 28322 + ... + 28571.

It is an arithmetic number, because the mean of its divisors is an integer number (1109433).

Almost surely, 2^7111625 is an apocalyptic number.

It is an amenable number.

7111625 is a deficient number, since it is larger than the sum of its proper divisors (1763839).

7111625 is an equidigital number, since it uses as much as digits as its factorization.

7111625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56908 (or 56898 counting only the distinct ones).

The product of its digits is 420, while the sum is 23.

The square root of 7111625 is about 2666.7630190926. The cubic root of 7111625 is about 192.3045748213.

The spelling of 7111625 in words is "seven million, one hundred eleven thousand, six hundred twenty-five".