26975161 has 2 divisors, whose sum is σ = 26975162. Its totient is φ = 26975160.

The previous prime is 26975149. The next prime is 26975189. The reversal of 26975161 is 16157962.

26975161 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14584761 + 12390400 = 3819^2 + 3520^2 .

It is a cyclic number.

It is not a de Polignac number, because 26975161 - 2⁵ = 26975129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26975161.

It is not a weakly prime, because it can be changed into another prime (26975111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13487580 + 13487581.

It is an arithmetic number, because the mean of its divisors is an integer number (13487581).

Almost surely, 2^26975161 is an apocalyptic number.

It is an amenable number.

26975161 is a deficient number, since it is larger than the sum of its proper divisors (1).

26975161 is an equidigital number, since it uses as much as digits as its factorization.

26975161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 37.

The square root of 26975161 is about 5193.7617388556. The cubic root of 26975161 is about 299.9079754782.

The spelling of 26975161 in words is "twenty-six million, nine hundred seventy-five thousand, one hundred sixty-one".