26972401 has 2 divisors, whose sum is σ = 26972402. Its totient is φ = 26972400.

The previous prime is 26972339. The next prime is 26972437. The reversal of 26972401 is 10427962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23512801 + 3459600 = 4849^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 26972401 - 2⁷ = 26972273 is a prime.

It is not a weakly prime, because it can be changed into another prime (26970401) 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, 13486200 + 13486201.

It is an arithmetic number, because the mean of its divisors is an integer number (13486201).

Almost surely, 2^26972401 is an apocalyptic number.

It is an amenable number.

26972401 is a deficient number, since it is larger than the sum of its proper divisors (1).

26972401 is an equidigital number, since it uses as much as digits as its factorization.

26972401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 26972401 is about 5193.4960286882. The cubic root of 26972401 is about 299.8977466329.

The spelling of 26972401 in words is "twenty-six million, nine hundred seventy-two thousand, four hundred one".