6407425 has 12 divisors (see below), whose sum is σ = 7991676. Its totient is φ = 5096000.

The previous prime is 6407417. The next prime is 6407431. The reversal of 6407425 is 5247046.

It can be written as a sum of positive squares in 6 ways, for example, as 237169 + 6170256 = 487^2 + 2484^2 .

It is not a de Polignac number, because 6407425 - 2³ = 6407417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6407393 and 6407402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4275 + ... + 5575.

It is an arithmetic number, because the mean of its divisors is an integer number (665973).

Almost surely, 2^6407425 is an apocalyptic number.

It is an amenable number.

6407425 is a deficient number, since it is larger than the sum of its proper divisors (1584251).

6407425 is a wasteful number, since it uses less digits than its factorization.

6407425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 6407425 is about 2531.2891972274. The cubic root of 6407425 is about 185.7353251734.

The spelling of 6407425 in words is "six million, four hundred seven thousand, four hundred twenty-five".