6625451 has 8 divisors (see below), whose sum is σ = 7595520. Its totient is φ = 5661288.

The previous prime is 6625447. The next prime is 6625453. The reversal of 6625451 is 1545266.

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

It is a cyclic number.

It is not a de Polignac number, because 6625451 - 2² = 6625447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6625453) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1280 + ... + 3858.

It is an arithmetic number, because the mean of its divisors is an integer number (949440).

Almost surely, 2^6625451 is an apocalyptic number.

6625451 is a deficient number, since it is larger than the sum of its proper divisors (970069).

6625451 is a wasteful number, since it uses less digits than its factorization.

6625451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953.

The product of its digits is 7200, while the sum is 29.

The square root of 6625451 is about 2573.9951437406. The cubic root of 6625451 is about 187.8185494631.

The spelling of 6625451 in words is "six million, six hundred twenty-five thousand, four hundred fifty-one".