26332381 has 2 divisors, whose sum is σ = 26332382. Its totient is φ = 26332380.

The previous prime is 26332367. The next prime is 26332387. The reversal of 26332381 is 18323362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23609881 + 2722500 = 4859^2 + 1650^2 .

It is a cyclic number.

It is not a de Polignac number, because 26332381 - 2⁹ = 26331869 is a prime.

It is a super-2 number, since 2×26332381² = 1386788578258322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26332387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13166190 + 13166191.

It is an arithmetic number, because the mean of its divisors is an integer number (13166191).

Almost surely, 2^26332381 is an apocalyptic number.

It is an amenable number.

26332381 is a deficient number, since it is larger than the sum of its proper divisors (1).

26332381 is an equidigital number, since it uses as much as digits as its factorization.

26332381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 26332381 is about 5131.5086475617. The cubic root of 26332381 is about 297.5066721663.

The spelling of 26332381 in words is "twenty-six million, three hundred thirty-two thousand, three hundred eighty-one".