26551147 has 4 divisors (see below), whose sum is σ = 30344176. Its totient is φ = 22758120.

The previous prime is 26551139. The next prime is 26551157. The reversal of 26551147 is 74115562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74115562 = 2 ⋅37057781.

It is not a de Polignac number, because 26551147 - 2³ = 26551139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26551117) 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 in 3 ways as a sum of consecutive naturals, for example, 1896504 + ... + 1896517.

It is an arithmetic number, because the mean of its divisors is an integer number (7586044).

Almost surely, 2^26551147 is an apocalyptic number.

26551147 is a deficient number, since it is larger than the sum of its proper divisors (3793029).

26551147 is an equidigital number, since it uses as much as digits as its factorization.

26551147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793028.

The product of its digits is 8400, while the sum is 31.

The square root of 26551147 is about 5152.7805115297. The cubic root of 26551147 is about 298.3282833292.

The spelling of 26551147 in words is "twenty-six million, five hundred fifty-one thousand, one hundred forty-seven".