26152561 has 8 divisors (see below), whose sum is σ = 27302400. Its totient is φ = 25021920.

The previous prime is 26152549. The next prime is 26152603. The reversal of 26152561 is 16525162.

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 26152561 - 2¹¹ = 26150513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26152501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1981 + ... + 7498.

It is an arithmetic number, because the mean of its divisors is an integer number (3412800).

Almost surely, 2^26152561 is an apocalyptic number.

It is an amenable number.

26152561 is a deficient number, since it is larger than the sum of its proper divisors (1149839).

26152561 is an equidigital number, since it uses as much as digits as its factorization.

26152561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9599.

The product of its digits is 3600, while the sum is 28.

The square root of 26152561 is about 5113.9574695142. The cubic root of 26152561 is about 296.8279148373.

The spelling of 26152561 in words is "twenty-six million, one hundred fifty-two thousand, five hundred sixty-one".