26229551 has 2 divisors, whose sum is σ = 26229552. Its totient is φ = 26229550.

The previous prime is 26229547. The next prime is 26229569. The reversal of 26229551 is 15592262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26229551 - 2² = 26229547 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26229251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13114775 + 13114776.

It is an arithmetic number, because the mean of its divisors is an integer number (13114776).

Almost surely, 2^26229551 is an apocalyptic number.

26229551 is a deficient number, since it is larger than the sum of its proper divisors (1).

26229551 is an equidigital number, since it uses as much as digits as its factorization.

26229551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 26229551 is about 5121.4793761178. The cubic root of 26229551 is about 297.1189047265.

The spelling of 26229551 in words is "twenty-six million, two hundred twenty-nine thousand, five hundred fifty-one".