6461225 has 6 divisors (see below), whose sum is σ = 8011950. Its totient is φ = 5168960.

The previous prime is 6461219. The next prime is 6461233. The reversal of 6461225 is 5221646.

It can be written as a sum of positive squares in 3 ways, for example, as 29929 + 6431296 = 173^2 + 2536^2 .

It is not a de Polignac number, because 6461225 - 2⁴ = 6461209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6461194 and 6461203.

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, 129200 + ... + 129249.

It is an arithmetic number, because the mean of its divisors is an integer number (1335325).

Almost surely, 2^6461225 is an apocalyptic number.

It is an amenable number.

6461225 is a deficient number, since it is larger than the sum of its proper divisors (1550725).

6461225 is a wasteful number, since it uses less digits than its factorization.

6461225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258459 (or 258454 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 6461225 is about 2541.8939789063. The cubic root of 6461225 is about 186.2537197281.

The spelling of 6461225 in words is "six million, four hundred sixty-one thousand, two hundred twenty-five".