6511425 has 24 divisors (see below), whose sum is σ = 11401056. Its totient is φ = 3267840.

The previous prime is 6511411. The next prime is 6511469. The reversal of 6511425 is 5241156.

It is not a de Polignac number, because 6511425 - 2¹⁸ = 6249281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6511395 and 6511404.

It is a congruent number.

It is an unprimeable number.

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, 1279 + ... + 3828.

It is an arithmetic number, because the mean of its divisors is an integer number (475044).

Almost surely, 2^6511425 is an apocalyptic number.

It is an amenable number.

6511425 is a deficient number, since it is larger than the sum of its proper divisors (4889631).

6511425 is a wasteful number, since it uses less digits than its factorization.

6511425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137 (or 5132 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 6511425 is about 2551.7493999216. The cubic root of 6511425 is about 186.7348372751.

The spelling of 6511425 in words is "six million, five hundred eleven thousand, four hundred twenty-five".