26205261 has 8 divisors (see below), whose sum is σ = 36067584. Its totient is φ = 16906560.

The previous prime is 26205259. The next prime is 26205281. The reversal of 26205261 is 16250262.

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

It is not a de Polignac number, because 26205261 - 2¹ = 26205259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26205251) 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, 140796 + ... + 140981.

It is an arithmetic number, because the mean of its divisors is an integer number (4508448).

Almost surely, 2^26205261 is an apocalyptic number.

It is an amenable number.

26205261 is a deficient number, since it is larger than the sum of its proper divisors (9862323).

26205261 is a wasteful number, since it uses less digits than its factorization.

26205261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281811.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 26205261 is about 5119.1074417324. The cubic root of 26205261 is about 297.0271602773.

The spelling of 26205261 in words is "twenty-six million, two hundred five thousand, two hundred sixty-one".