26026261 has 4 divisors (see below), whose sum is σ = 26158572. Its totient is φ = 25893952.

The previous prime is 26026249. The next prime is 26026283. The reversal of 26026261 is 16262062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16966161 + 9060100 = 4119^2 + 3010^2 .

It is a cyclic number.

It is not a de Polignac number, because 26026261 - 2⁵ = 26026229 is a prime.

It is a super-3 number, since 3×26026261³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26026211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65860 + ... + 66253.

It is an arithmetic number, because the mean of its divisors is an integer number (6539643).

Almost surely, 2^26026261 is an apocalyptic number.

It is an amenable number.

26026261 is a deficient number, since it is larger than the sum of its proper divisors (132311).

26026261 is a wasteful number, since it uses less digits than its factorization.

26026261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132310.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 26026261 is about 5101.5939665951. The cubic root of 26026261 is about 296.3493144445.

The spelling of 26026261 in words is "twenty-six million, twenty-six thousand, two hundred sixty-one".