6411725 has 6 divisors (see below), whose sum is σ = 7950570. Its totient is φ = 5129360.

The previous prime is 6411709. The next prime is 6411749. The reversal of 6411725 is 5271146.

It can be written as a sum of positive squares in 3 ways, for example, as 1857769 + 4553956 = 1363^2 + 2134^2 .

It is not a de Polignac number, because 6411725 - 2⁴ = 6411709 is a prime.

It is a super-2 number, since 2×6411725² = 82220434951250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6411694 and 6411703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128210 + ... + 128259.

It is an arithmetic number, because the mean of its divisors is an integer number (1325095).

Almost surely, 2^6411725 is an apocalyptic number.

It is an amenable number.

6411725 is a deficient number, since it is larger than the sum of its proper divisors (1538845).

6411725 is a wasteful number, since it uses less digits than its factorization.

6411725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256479 (or 256474 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 6411725 is about 2532.1384243362. The cubic root of 6411725 is about 185.7768646533.

The spelling of 6411725 in words is "six million, four hundred eleven thousand, seven hundred twenty-five".