6783425 has 24 divisors (see below), whose sum is σ = 9722592. Its totient is φ = 4640000.

The previous prime is 6783421. The next prime is 6783433. The reversal of 6783425 is 5243876.

6783425 = 80³ + 81³ + ... + 90³.

It is a happy number.

It is not a de Polignac number, because 6783425 - 2² = 6783421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6783421) 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, 3950 + ... + 5400.

It is an arithmetic number, because the mean of its divisors is an integer number (405108).

Almost surely, 2^6783425 is an apocalyptic number.

It is an amenable number.

6783425 is a deficient number, since it is larger than the sum of its proper divisors (2939167).

6783425 is a wasteful number, since it uses less digits than its factorization.

6783425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489 (or 1484 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 6783425 is about 2604.5009118831. The cubic root of 6783425 is about 189.2995911100.

It can be divided in two parts, 678342 and 5, that multiplied together give a triangular number (3391710 = T₂₆₀₄).

The spelling of 6783425 in words is "six million, seven hundred eighty-three thousand, four hundred twenty-five".