26610481 has 2 divisors, whose sum is σ = 26610482. Its totient is φ = 26610480.

The previous prime is 26610461. The next prime is 26610509. The reversal of 26610481 is 18401662.

It is an a-pointer prime, because the next prime (26610509) can be obtained adding 26610481 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17514225 + 9096256 = 4185^2 + 3016^2 .

It is a cyclic number.

It is not a de Polignac number, because 26610481 - 2¹¹ = 26608433 is a prime.

It is a super-2 number, since 2×26610481² = 1416235398102722, which contains 22 as substring.

It is equal to p_1660276 and since 26610481 and 1660276 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 (26610461) by changing a digit.

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, 13305240 + 13305241.

It is an arithmetic number, because the mean of its divisors is an integer number (13305241).

Almost surely, 2^26610481 is an apocalyptic number.

It is an amenable number.

26610481 is a deficient number, since it is larger than the sum of its proper divisors (1).

26610481 is an equidigital number, since it uses as much as digits as its factorization.

26610481 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 28.

The square root of 26610481 is about 5158.5347725880. The cubic root of 26610481 is about 298.5503433051.

The spelling of 26610481 in words is "twenty-six million, six hundred ten thousand, four hundred eighty-one".