26198351 has 2 divisors, whose sum is σ = 26198352. Its totient is φ = 26198350.

The previous prime is 26198327. The next prime is 26198363. The reversal of 26198351 is 15389162.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26198351 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26198371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13099175 + 13099176.

It is an arithmetic number, because the mean of its divisors is an integer number (13099176).

Almost surely, 2^26198351 is an apocalyptic number.

26198351 is a deficient number, since it is larger than the sum of its proper divisors (1).

26198351 is an equidigital number, since it uses as much as digits as its factorization.

26198351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 35.

The square root of 26198351 is about 5118.4324748892. The cubic root of 26198351 is about 297.0010505316.

The spelling of 26198351 in words is "twenty-six million, one hundred ninety-eight thousand, three hundred fifty-one".