26725243 has 2 divisors, whose sum is σ = 26725244. Its totient is φ = 26725242.

The previous prime is 26725201. The next prime is 26725249. The reversal of 26725243 is 34252762.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26725243 is a prime.

It is a super-2 number, since 2×26725243² = 1428477226818098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26725249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13362621 + 13362622.

It is an arithmetic number, because the mean of its divisors is an integer number (13362622).

Almost surely, 2^26725243 is an apocalyptic number.

26725243 is a deficient number, since it is larger than the sum of its proper divisors (1).

26725243 is an equidigital number, since it uses as much as digits as its factorization.

26725243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 26725243 is about 5169.6463128535. The cubic root of 26725243 is about 298.9789100086.

The spelling of 26725243 in words is "twenty-six million, seven hundred twenty-five thousand, two hundred forty-three".