6625494 has 12 divisors (see below), whose sum is σ = 14355276. Its totient is φ = 2208492.

The previous prime is 6625481. The next prime is 6625501. The reversal of 6625494 is 4945266.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 184024 + ... + 184059.

It is an arithmetic number, because the mean of its divisors is an integer number (1196273).

Almost surely, 2^6625494 is an apocalyptic number.

6625494 is an abundant number, since it is smaller than the sum of its proper divisors (7729782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6625494 is a wasteful number, since it uses less digits than its factorization.

6625494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368091 (or 368088 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 6625494 is about 2574.0034965011. The cubic root of 6625494 is about 187.8189557841.

The spelling of 6625494 in words is "six million, six hundred twenty-five thousand, four hundred ninety-four".