26256745 has 8 divisors (see below), whose sum is σ = 32594760. Its totient is φ = 20280960.

The previous prime is 26256739. The next prime is 26256757. The reversal of 26256745 is 54765262.

It can be written as a sum of positive squares in 4 ways, for example, as 1369 + 26255376 = 37^2 + 5124^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-26256745 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 90396 + ... + 90685.

It is an arithmetic number, because the mean of its divisors is an integer number (4074345).

Almost surely, 2^26256745 is an apocalyptic number.

It is an amenable number.

26256745 is a deficient number, since it is larger than the sum of its proper divisors (6338015).

26256745 is a wasteful number, since it uses less digits than its factorization.

26256745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181115.

The product of its digits is 100800, while the sum is 37.

The square root of 26256745 is about 5124.1335853001. The cubic root of 26256745 is about 297.2215505399.

The spelling of 26256745 in words is "twenty-six million, two hundred fifty-six thousand, seven hundred forty-five".