26261345 has 16 divisors (see below), whose sum is σ = 36402048. Its totient is φ = 17975040.

The previous prime is 26261329. The next prime is 26261351. The reversal of 26261345 is 54316262.

It is not a de Polignac number, because 26261345 - 2⁴ = 26261329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13109 + ... + 14978.

It is an arithmetic number, because the mean of its divisors is an integer number (2275128).

Almost surely, 2^26261345 is an apocalyptic number.

It is an amenable number.

26261345 is a deficient number, since it is larger than the sum of its proper divisors (10140703).

26261345 is a wasteful number, since it uses less digits than its factorization.

26261345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28120.

The product of its digits is 8640, while the sum is 29.

The square root of 26261345 is about 5124.5824220125. The cubic root of 26261345 is about 297.2389065792.

The spelling of 26261345 in words is "twenty-six million, two hundred sixty-one thousand, three hundred forty-five".