26131451 has 2 divisors, whose sum is σ = 26131452. Its totient is φ = 26131450.

The previous prime is 26131439. The next prime is 26131453. The reversal of 26131451 is 15413162.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26131451 is a prime.

Together with 26131453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26131453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13065725 + 13065726.

It is an arithmetic number, because the mean of its divisors is an integer number (13065726).

Almost surely, 2^26131451 is an apocalyptic number.

26131451 is a deficient number, since it is larger than the sum of its proper divisors (1).

26131451 is an equidigital number, since it uses as much as digits as its factorization.

26131451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 23.

The square root of 26131451 is about 5111.8930935613. The cubic root of 26131451 is about 296.7480281550.

The spelling of 26131451 in words is "twenty-six million, one hundred thirty-one thousand, four hundred fifty-one".