26542291 has 2 divisors, whose sum is σ = 26542292. Its totient is φ = 26542290.

The previous prime is 26542277. The next prime is 26542301. The reversal of 26542291 is 19224562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26542291 - 2¹⁵ = 26509523 is a prime.

It is not a weakly prime, because it can be changed into another prime (26542261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13271145 + 13271146.

It is an arithmetic number, because the mean of its divisors is an integer number (13271146).

Almost surely, 2^26542291 is an apocalyptic number.

26542291 is a deficient number, since it is larger than the sum of its proper divisors (1).

26542291 is an equidigital number, since it uses as much as digits as its factorization.

26542291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 26542291 is about 5151.9210979983. The cubic root of 26542291 is about 298.2951110137.

The spelling of 26542291 in words is "twenty-six million, five hundred forty-two thousand, two hundred ninety-one".