26565953 has 2 divisors, whose sum is σ = 26565954. Its totient is φ = 26565952.

The previous prime is 26565949. The next prime is 26566013. The reversal of 26565953 is 35956562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26553409 + 12544 = 5153^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 26565953 - 2² = 26565949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26565953.

It is not a weakly prime, because it can be changed into another prime (26565923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13282976 + 13282977.

It is an arithmetic number, because the mean of its divisors is an integer number (13282977).

Almost surely, 2^26565953 is an apocalyptic number.

It is an amenable number.

26565953 is a deficient number, since it is larger than the sum of its proper divisors (1).

26565953 is an equidigital number, since it uses as much as digits as its factorization.

26565953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 243000, while the sum is 41.

The square root of 26565953 is about 5154.2170113413. The cubic root of 26565953 is about 298.3837263549.

The spelling of 26565953 in words is "twenty-six million, five hundred sixty-five thousand, nine hundred fifty-three".