6256641 has 8 divisors (see below), whose sum is σ = 8545824. Its totient is φ = 4069280.

The previous prime is 6256639. The next prime is 6256651. The reversal of 6256641 is 1466526.

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 6256641 - 2¹ = 6256639 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6256599 and 6256608.

It is not an unprimeable number, because it can be changed into a prime (6256631) 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, 25311 + ... + 25556.

It is an arithmetic number, because the mean of its divisors is an integer number (1068228).

Almost surely, 2^6256641 is an apocalyptic number.

It is an amenable number.

6256641 is a deficient number, since it is larger than the sum of its proper divisors (2289183).

6256641 is a wasteful number, since it uses less digits than its factorization.

6256641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50911.

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

The square root of 6256641 is about 2501.3278473643. The cubic root of 6256641 is about 184.2667935797.

The spelling of 6256641 in words is "six million, two hundred fifty-six thousand, six hundred forty-one".