26071321 has 4 divisors (see below), whose sum is σ = 26082000. Its totient is φ = 26060644.

The previous prime is 26071307. The next prime is 26071327. The reversal of 26071321 is 12317062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12317062 = 2 ⋅6158531.

It is a cyclic number.

It is not a de Polignac number, because 26071321 - 2¹³ = 26063129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26071292 and 26071301.

It is not an unprimeable number, because it can be changed into a prime (26071327) 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, 330 + ... + 7228.

It is an arithmetic number, because the mean of its divisors is an integer number (6520500).

Almost surely, 2^26071321 is an apocalyptic number.

It is an amenable number.

26071321 is a deficient number, since it is larger than the sum of its proper divisors (10679).

26071321 is an equidigital number, since it uses as much as digits as its factorization.

26071321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10678.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 26071321 is about 5106.0083235341. The cubic root of 26071321 is about 296.5202418151.

Adding to 26071321 its reverse (12317062), we get a palindrome (38388383).

The spelling of 26071321 in words is "twenty-six million, seventy-one thousand, three hundred twenty-one".