26270605 has 8 divisors (see below), whose sum is σ = 31837464. Its totient is φ = 20808000.

The previous prime is 26270599. The next prime is 26270611. The reversal of 26270605 is 50607262.

It is an interprime number because it is at equal distance from previous prime (26270599) and next prime (26270611).

It can be written as a sum of positive squares in 4 ways, for example, as 8538084 + 17732521 = 2922^2 + 4211^2 .

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-26270605 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25506 + ... + 26515.

It is an arithmetic number, because the mean of its divisors is an integer number (3979683).

Almost surely, 2^26270605 is an apocalyptic number.

It is an amenable number.

26270605 is a deficient number, since it is larger than the sum of its proper divisors (5566859).

26270605 is a wasteful number, since it uses less digits than its factorization.

26270605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52127.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 26270605 is about 5125.4858306311. The cubic root of 26270605 is about 297.2738388955.

Adding to 26270605 its reverse (50607262), we get a palindrome (76877867).

The spelling of 26270605 in words is "twenty-six million, two hundred seventy thousand, six hundred five".