6625129 has 16 divisors (see below), whose sum is σ = 8060800. Its totient is φ = 5318784.

The previous prime is 6625123. The next prime is 6625141. The reversal of 6625129 is 9215266.

It is not a de Polignac number, because 6625129 - 2⁷ = 6625001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6625129.

It is not an unprimeable number, because it can be changed into a prime (6625123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14269 + ... + 14725.

It is an arithmetic number, because the mean of its divisors is an integer number (503800).

Almost surely, 2^6625129 is an apocalyptic number.

It is an amenable number.

6625129 is a deficient number, since it is larger than the sum of its proper divisors (1435671).

6625129 is a wasteful number, since it uses less digits than its factorization.

6625129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592.

The product of its digits is 6480, while the sum is 31.

The square root of 6625129 is about 2573.9325943000. The cubic root of 6625129 is about 187.8155067242.

The spelling of 6625129 in words is "six million, six hundred twenty-five thousand, one hundred twenty-nine".