26456501 has 2 divisors, whose sum is σ = 26456502. Its totient is φ = 26456500.

The previous prime is 26456473. The next prime is 26456519. The reversal of 26456501 is 10565462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26275876 + 180625 = 5126^2 + 425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26456501 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26456561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13228250 + 13228251.

It is an arithmetic number, because the mean of its divisors is an integer number (13228251).

Almost surely, 2^26456501 is an apocalyptic number.

It is an amenable number.

26456501 is a deficient number, since it is larger than the sum of its proper divisors (1).

26456501 is an equidigital number, since it uses as much as digits as its factorization.

26456501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 26456501 is about 5143.5883388934. The cubic root of 26456501 is about 297.9733809534.

It can be divided in two parts, 264 and 56501, that added together give a palindrome (56765).

The spelling of 26456501 in words is "twenty-six million, four hundred fifty-six thousand, five hundred one".