6625538 has 8 divisors (see below), whose sum is σ = 9951120. Its totient is φ = 3308500.

The previous prime is 6625519. The next prime is 6625571. The reversal of 6625538 is 8355266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6625498 and 6625507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413 + ... + 3663.

It is an arithmetic number, because the mean of its divisors is an integer number (1243890).

Almost surely, 2^6625538 is an apocalyptic number.

6625538 is a deficient number, since it is larger than the sum of its proper divisors (3325582).

6625538 is a wasteful number, since it uses less digits than its factorization.

6625538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272.

The product of its digits is 43200, while the sum is 35.

The square root of 6625538 is about 2574.0120434839. The cubic root of 6625538 is about 187.8193715527.

The spelling of 6625538 in words is "six million, six hundred twenty-five thousand, five hundred thirty-eight".