26947451 has 2 divisors, whose sum is σ = 26947452. Its totient is φ = 26947450.

The previous prime is 26947447. The next prime is 26947457. The reversal of 26947451 is 15474962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26947451 - 2² = 26947447 is a prime.

It is not a weakly prime, because it can be changed into another prime (26947457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13473725 + 13473726.

It is an arithmetic number, because the mean of its divisors is an integer number (13473726).

Almost surely, 2^26947451 is an apocalyptic number.

26947451 is a deficient number, since it is larger than the sum of its proper divisors (1).

26947451 is an equidigital number, since it uses as much as digits as its factorization.

26947451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 26947451 is about 5191.0934300974. The cubic root of 26947451 is about 299.8052476732.

The spelling of 26947451 in words is "twenty-six million, nine hundred forty-seven thousand, four hundred fifty-one".