6731425 has 6 divisors (see below), whose sum is σ = 8346998. Its totient is φ = 5385120.

The previous prime is 6731407. The next prime is 6731437. The reversal of 6731425 is 5241376.

It can be written as a sum of positive squares in 3 ways, for example, as 59536 + 6671889 = 244^2 + 2583^2 .

It is not a de Polignac number, because 6731425 - 2¹¹ = 6729377 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6731393 and 6731402.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134604 + ... + 134653.

Almost surely, 2^6731425 is an apocalyptic number.

It is an amenable number.

6731425 is a deficient number, since it is larger than the sum of its proper divisors (1615573).

6731425 is a wasteful number, since it uses less digits than its factorization.

6731425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269267 (or 269262 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 6731425 is about 2594.4989882442. The cubic root of 6731425 is about 188.8146424205.

The spelling of 6731425 in words is "six million, seven hundred thirty-one thousand, four hundred twenty-five".