26981753 has 2 divisors, whose sum is σ = 26981754. Its totient is φ = 26981752.

The previous prime is 26981743. The next prime is 26981761. The reversal of 26981753 is 35718962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26708224 + 273529 = 5168^2 + 523^2 .

It is a cyclic number.

It is not a de Polignac number, because 26981753 - 2⁸ = 26981497 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26981753.

It is not a weakly prime, because it can be changed into another prime (26981743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13490876 + 13490877.

It is an arithmetic number, because the mean of its divisors is an integer number (13490877).

Almost surely, 2^26981753 is an apocalyptic number.

It is an amenable number.

26981753 is a deficient number, since it is larger than the sum of its proper divisors (1).

26981753 is an equidigital number, since it uses as much as digits as its factorization.

26981753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 26981753 is about 5194.3963075607. The cubic root of 26981753 is about 299.9324032886.

The spelling of 26981753 in words is "twenty-six million, nine hundred eighty-one thousand, seven hundred fifty-three".