6916625 has 8 divisors (see below), whose sum is σ = 8632104. Its totient is φ = 5533200.

The previous prime is 6916619. The next prime is 6916633. The reversal of 6916625 is 5266196.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1002001 + 5914624 = 1001^2 + 2432^2 .

It is not a de Polignac number, because 6916625 - 2⁶ = 6916561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27542 + ... + 27791.

It is an arithmetic number, because the mean of its divisors is an integer number (1079013).

Almost surely, 2^6916625 is an apocalyptic number.

It is an amenable number.

6916625 is a deficient number, since it is larger than the sum of its proper divisors (1715479).

6916625 is an equidigital number, since it uses as much as digits as its factorization.

6916625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55348 (or 55338 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 6916625 is about 2629.9477181115. The cubic root of 6916625 is about 190.5306036260.

The spelling of 6916625 in words is "six million, nine hundred sixteen thousand, six hundred twenty-five".