6981425 has 24 divisors (see below), whose sum is σ = 9642240. Its totient is φ = 4971200.

The previous prime is 6981421. The next prime is 6981433. The reversal of 6981425 is 5241896.

It is not a de Polignac number, because 6981425 - 2² = 6981421 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6981421) 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 in 23 ways as a sum of consecutive naturals, for example, 14336 + ... + 14814.

It is an arithmetic number, because the mean of its divisors is an integer number (401760).

Almost surely, 2^6981425 is an apocalyptic number.

It is an amenable number.

6981425 is a deficient number, since it is larger than the sum of its proper divisors (2660815).

6981425 is a wasteful number, since it uses less digits than its factorization.

6981425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 548 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 6981425 is about 2642.2386341888. The cubic root of 6981425 is about 191.1237650741.

The spelling of 6981425 in words is "six million, nine hundred eighty-one thousand, four hundred twenty-five".