6256445 has 16 divisors (see below), whose sum is σ = 8173872. Its totient is φ = 4569600.

The previous prime is 6256427. The next prime is 6256469. The reversal of 6256445 is 5446526.

It can be written as a sum of positive squares in 8 ways, for example, as 1444 + 6255001 = 38^2 + 2501^2 .

It is not a de Polignac number, because 6256445 - 2⁶ = 6256381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6089 + ... + 7041.

It is an arithmetic number, because the mean of its divisors is an integer number (510867).

Almost surely, 2^6256445 is an apocalyptic number.

6256445 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6256445 is a deficient number, since it is larger than the sum of its proper divisors (1917427).

6256445 is a wasteful number, since it uses less digits than its factorization.

6256445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072.

The product of its digits is 28800, while the sum is 32.

The square root of 6256445 is about 2501.2886678670. The cubic root of 6256445 is about 184.2648694019.

The spelling of 6256445 in words is "six million, two hundred fifty-six thousand, four hundred forty-five".