26021851 has 2 divisors, whose sum is σ = 26021852. Its totient is φ = 26021850.

The previous prime is 26021833. The next prime is 26021857. The reversal of 26021851 is 15812062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26021851 - 2⁵ = 26021819 is a prime.

It is not a weakly prime, because it can be changed into another prime (26021857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13010925 + 13010926.

It is an arithmetic number, because the mean of its divisors is an integer number (13010926).

Almost surely, 2^26021851 is an apocalyptic number.

26021851 is a deficient number, since it is larger than the sum of its proper divisors (1).

26021851 is an equidigital number, since it uses as much as digits as its factorization.

26021851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 26021851 is about 5101.1617304296. The cubic root of 26021851 is about 296.3325752709.

The spelling of 26021851 in words is "twenty-six million, twenty-one thousand, eight hundred fifty-one".