26985193 has 2 divisors, whose sum is σ = 26985194. Its totient is φ = 26985192.

The previous prime is 26985181. The next prime is 26985197. The reversal of 26985193 is 39158962.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23155344 + 3829849 = 4812^2 + 1957^2 .

It is a cyclic number.

It is not a de Polignac number, because 26985193 - 2²¹ = 24888041 is a prime.

It is not a weakly prime, because it can be changed into another prime (26985197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13492596 + 13492597.

It is an arithmetic number, because the mean of its divisors is an integer number (13492597).

Almost surely, 2^26985193 is an apocalyptic number.

It is an amenable number.

26985193 is a deficient number, since it is larger than the sum of its proper divisors (1).

26985193 is an equidigital number, since it uses as much as digits as its factorization.

26985193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 43.

The square root of 26985193 is about 5194.7274230704. The cubic root of 26985193 is about 299.9451492312.

The spelling of 26985193 in words is "twenty-six million, nine hundred eighty-five thousand, one hundred ninety-three".