26230661 has 2 divisors, whose sum is σ = 26230662. Its totient is φ = 26230660.

The previous prime is 26230651. The next prime is 26230667. The reversal of 26230661 is 16603262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13734436 + 12496225 = 3706^2 + 3535^2 .

It is a cyclic number.

It is not a de Polignac number, because 26230661 - 2⁶ = 26230597 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26230661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26230667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13115330 + 13115331.

It is an arithmetic number, because the mean of its divisors is an integer number (13115331).

Almost surely, 2^26230661 is an apocalyptic number.

It is an amenable number.

26230661 is a deficient number, since it is larger than the sum of its proper divisors (1).

26230661 is an equidigital number, since it uses as much as digits as its factorization.

26230661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 26230661 is about 5121.5877420972. The cubic root of 26230661 is about 297.1230958941.

The spelling of 26230661 in words is "twenty-six million, two hundred thirty thousand, six hundred sixty-one".