26407231 has 2 divisors, whose sum is σ = 26407232. Its totient is φ = 26407230.

The previous prime is 26407223. The next prime is 26407253. The reversal of 26407231 is 13270462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26407231 - 2³ = 26407223 is a prime.

It is a super-2 number, since 2×26407231² = 1394683698174722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26407196 and 26407205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26407261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13203615 + 13203616.

It is an arithmetic number, because the mean of its divisors is an integer number (13203616).

Almost surely, 2^26407231 is an apocalyptic number.

26407231 is a deficient number, since it is larger than the sum of its proper divisors (1).

26407231 is an equidigital number, since it uses as much as digits as its factorization.

26407231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 26407231 is about 5138.7966490220. The cubic root of 26407231 is about 297.7882938489.

Adding to 26407231 its reverse (13270462), we get a palindrome (39677693).

The spelling of 26407231 in words is "twenty-six million, four hundred seven thousand, two hundred thirty-one".