6623425 has 12 divisors (see below), whose sum is σ = 8570880. Its totient is φ = 5067920.

The previous prime is 6623423. The next prime is 6623459. The reversal of 6623425 is 5243266.

It is a happy number.

It is not a de Polignac number, because 6623425 - 2¹ = 6623423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6623393 and 6623402.

It is not an unprimeable number, because it can be changed into a prime (6623423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5185 + ... + 6334.

It is an arithmetic number, because the mean of its divisors is an integer number (714240).

Almost surely, 2^6623425 is an apocalyptic number.

It is an amenable number.

6623425 is a deficient number, since it is larger than the sum of its proper divisors (1947455).

6623425 is a wasteful number, since it uses less digits than its factorization.

6623425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11552 (or 11547 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 6623425 is about 2573.6015620138. The cubic root of 6623425 is about 187.7994031351.

The spelling of 6623425 in words is "six million, six hundred twenty-three thousand, four hundred twenty-five".