6461625 has 16 divisors (see below), whose sum is σ = 10752768. Its totient is φ = 3446000.

The previous prime is 6461617. The next prime is 6461627. The reversal of 6461625 is 5261646.

It is not a de Polignac number, because 6461625 - 2³ = 6461617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6461592 and 6461601.

It is not an unprimeable number, because it can be changed into a prime (6461627) 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 15 ways as a sum of consecutive naturals, for example, 8241 + ... + 8990.

It is an arithmetic number, because the mean of its divisors is an integer number (672048).

Almost surely, 2^6461625 is an apocalyptic number.

It is an amenable number.

6461625 is a deficient number, since it is larger than the sum of its proper divisors (4291143).

6461625 is a wasteful number, since it uses less digits than its factorization.

6461625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17249 (or 17239 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 6461625 is about 2541.9726591763. The cubic root of 6461625 is about 186.2575631660.

The spelling of 6461625 in words is "six million, four hundred sixty-one thousand, six hundred twenty-five".