26240651 has 2 divisors, whose sum is σ = 26240652. Its totient is φ = 26240650.

The previous prime is 26240611. The next prime is 26240701. The reversal of 26240651 is 15604262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26240651 - 2²² = 22046347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26240651.

It is not a weakly prime, because it can be changed into another prime (26240611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13120325 + 13120326.

It is an arithmetic number, because the mean of its divisors is an integer number (13120326).

Almost surely, 2^26240651 is an apocalyptic number.

26240651 is a deficient number, since it is larger than the sum of its proper divisors (1).

26240651 is an equidigital number, since it uses as much as digits as its factorization.

26240651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 26240651 is about 5122.5629327515. The cubic root of 26240651 is about 297.1608110828.

The spelling of 26240651 in words is "twenty-six million, two hundred forty thousand, six hundred fifty-one".