26241409 has 2 divisors, whose sum is σ = 26241410. Its totient is φ = 26241408.

The previous prime is 26241379. The next prime is 26241419. The reversal of 26241409 is 90414262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18662400 + 7579009 = 4320^2 + 2753^2 .

It is a cyclic number.

It is not a de Polignac number, because 26241409 - 2⁵ = 26241377 is a prime.

It is a super-2 number, since 2×26241409² = 1377223092610562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26241419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13120704 + 13120705.

It is an arithmetic number, because the mean of its divisors is an integer number (13120705).

Almost surely, 2^26241409 is an apocalyptic number.

It is an amenable number.

26241409 is a deficient number, since it is larger than the sum of its proper divisors (1).

26241409 is an equidigital number, since it uses as much as digits as its factorization.

26241409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 26241409 is about 5122.6369186192. The cubic root of 26241409 is about 297.1636723650.

The spelling of 26241409 in words is "twenty-six million, two hundred forty-one thousand, four hundred nine".