26415265 has 8 divisors (see below), whose sum is σ = 31778280. Its totient is φ = 21078912.

The previous prime is 26415241. The next prime is 26415281. The reversal of 26415265 is 56251462.

It can be written as a sum of positive squares in 4 ways, for example, as 8156736 + 18258529 = 2856^2 + 4273^2 .

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 26415265 - 2¹⁵ = 26382497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4414 + ... + 8503.

It is an arithmetic number, because the mean of its divisors is an integer number (3972285).

Almost surely, 2^26415265 is an apocalyptic number.

It is an amenable number.

26415265 is a deficient number, since it is larger than the sum of its proper divisors (5363015).

26415265 is a wasteful number, since it uses less digits than its factorization.

26415265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13331.

The product of its digits is 14400, while the sum is 31.

The square root of 26415265 is about 5139.5782900935. The cubic root of 26415265 is about 297.8184899793.

The spelling of 26415265 in words is "twenty-six million, four hundred fifteen thousand, two hundred sixty-five".