26246947 has 2 divisors, whose sum is σ = 26246948. Its totient is φ = 26246946.

The previous prime is 26246921. The next prime is 26246951. The reversal of 26246947 is 74964262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26246947 - 2¹¹ = 26244899 is a prime.

It is equal to p_1638949 and since 26246947 and 1638949 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (26246977) 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, 13123473 + 13123474.

It is an arithmetic number, because the mean of its divisors is an integer number (13123474).

Almost surely, 2^26246947 is an apocalyptic number.

26246947 is a deficient number, since it is larger than the sum of its proper divisors (1).

26246947 is an equidigital number, since it uses as much as digits as its factorization.

26246947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 26246947 is about 5123.1774320240. The cubic root of 26246947 is about 297.1845754177.

The spelling of 26246947 in words is "twenty-six million, two hundred forty-six thousand, nine hundred forty-seven".