26542361 has 2 divisors, whose sum is σ = 26542362. Its totient is φ = 26542360.

The previous prime is 26542349. The next prime is 26542363. The reversal of 26542361 is 16324562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16556761 + 9985600 = 4069^2 + 3160^2 .

It is a cyclic number.

It is not a de Polignac number, because 26542361 - 2¹⁴ = 26525977 is a prime.

It is a Sophie Germain prime.

Together with 26542363, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (26542363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13271180 + 13271181.

It is an arithmetic number, because the mean of its divisors is an integer number (13271181).

Almost surely, 2^26542361 is an apocalyptic number.

It is an amenable number.

26542361 is a deficient number, since it is larger than the sum of its proper divisors (1).

26542361 is an equidigital number, since it uses as much as digits as its factorization.

26542361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 29.

The square root of 26542361 is about 5151.9278915761. The cubic root of 26542361 is about 298.2953732448.

The spelling of 26542361 in words is "twenty-six million, five hundred forty-two thousand, three hundred sixty-one".