26306345 has 8 divisors (see below), whose sum is σ = 33995976. Its totient is φ = 19426176.

The previous prime is 26306339. The next prime is 26306347. The reversal of 26306345 is 54360362.

It can be written as a sum of positive squares in 4 ways, for example, as 1336336 + 24970009 = 1156^2 + 4997^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 26306345 - 2¹⁸ = 26044201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26306347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202292 + ... + 202421.

It is an arithmetic number, because the mean of its divisors is an integer number (4249497).

Almost surely, 2^26306345 is an apocalyptic number.

It is an amenable number.

26306345 is a deficient number, since it is larger than the sum of its proper divisors (7689631).

26306345 is a wasteful number, since it uses less digits than its factorization.

26306345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404731.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 26306345 is about 5128.9711443914. The cubic root of 26306345 is about 297.4085871252.

The spelling of 26306345 in words is "twenty-six million, three hundred six thousand, three hundred forty-five".