26001145 has 4 divisors (see below), whose sum is σ = 31201380. Its totient is φ = 20800912.

The previous prime is 26001133. The next prime is 26001221. The reversal of 26001145 is 54110062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5180176 + 20820969 = 2276^2 + 4563^2 .

It is a cyclic number.

It is not a de Polignac number, because 26001145 - 2¹⁵ = 25968377 is a prime.

It is a super-2 number, since 2×26001145² = 1352119082622050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2600110 + ... + 2600119.

It is an arithmetic number, because the mean of its divisors is an integer number (7800345).

Almost surely, 2^26001145 is an apocalyptic number.

It is an amenable number.

26001145 is a deficient number, since it is larger than the sum of its proper divisors (5200235).

26001145 is an equidigital number, since it uses as much as digits as its factorization.

26001145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200234.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 26001145 is about 5099.1317888441. The cubic root of 26001145 is about 296.2539555692.

The spelling of 26001145 in words is "twenty-six million, one thousand, one hundred forty-five".