26620441 has 2 divisors, whose sum is σ = 26620442. Its totient is φ = 26620440.

The previous prime is 26620421. The next prime is 26620457. The reversal of 26620441 is 14402662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18662400 + 7958041 = 4320^2 + 2821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26620441 is a prime.

It is the 5160-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (26620411) by changing a digit.

It is a nontrivial repunit in base 5159.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13310220 + 13310221.

It is an arithmetic number, because the mean of its divisors is an integer number (13310221).

Almost surely, 2^26620441 is an apocalyptic number.

It is an amenable number.

26620441 is a deficient number, since it is larger than the sum of its proper divisors (1).

26620441 is an equidigital number, since it uses as much as digits as its factorization.

26620441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 26620441 is about 5159.5000726815. The cubic root of 26620441 is about 298.5875866568.

The spelling of 26620441 in words is "twenty-six million, six hundred twenty thousand, four hundred forty-one".