26259945 has 16 divisors (see below), whose sum is σ = 43372032. Its totient is φ = 13553280.

The previous prime is 26259941. The next prime is 26259949. The reversal of 26259945 is 54995262.

It is an interprime number because it is at equal distance from previous prime (26259941) and next prime (26259949).

It is not a de Polignac number, because 26259945 - 2² = 26259941 is a prime.

It is a super-2 number, since 2×26259945² = 1379169422806050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26259897 and 26259906.

It is not an unprimeable number, because it can be changed into a prime (26259941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27772 + ... + 28701.

It is an arithmetic number, because the mean of its divisors is an integer number (2710752).

Almost surely, 2^26259945 is an apocalyptic number.

It is an amenable number.

26259945 is a deficient number, since it is larger than the sum of its proper divisors (17112087).

26259945 is a wasteful number, since it uses less digits than its factorization.

26259945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56512.

The product of its digits is 194400, while the sum is 42.

The square root of 26259945 is about 5124.4458236965. The cubic root of 26259945 is about 297.2336245209.

The spelling of 26259945 in words is "twenty-six million, two hundred fifty-nine thousand, nine hundred forty-five".