6938425 has 24 divisors (see below), whose sum is σ = 9532376. Its totient is φ = 4976640.

The previous prime is 6938423. The next prime is 6938429. The reversal of 6938425 is 5248396.

It can be written as a sum of positive squares in 12 ways, for example, as 157609 + 6780816 = 397^2 + 2604^2 .

It is not a de Polignac number, because 6938425 - 2¹ = 6938423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a d-powerful number, because it can be written as 6⁵ + 9⁷ + 3¹¹ + 8³ + 4⁷ + 2⁹ + 5⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6938423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11737 + ... + 12313.

Almost surely, 2^6938425 is an apocalyptic number.

6938425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6938425 is a deficient number, since it is larger than the sum of its proper divisors (2593951).

6938425 is a wasteful number, since it uses less digits than its factorization.

6938425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 632 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 6938425 is about 2634.0890265896. The cubic root of 6938425 is about 190.7305668070.

The spelling of 6938425 in words is "six million, nine hundred thirty-eight thousand, four hundred twenty-five".