26248993 has 2 divisors, whose sum is σ = 26248994. Its totient is φ = 26248992.

The previous prime is 26248967. The next prime is 26249009. The reversal of 26248993 is 39984262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16589329 + 9659664 = 4073^2 + 3108^2 .

It is a cyclic number.

It is not a de Polignac number, because 26248993 - 2¹³ = 26240801 is a prime.

It is not a weakly prime, because it can be changed into another prime (26248903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13124496 + 13124497.

It is an arithmetic number, because the mean of its divisors is an integer number (13124497).

Almost surely, 2^26248993 is an apocalyptic number.

It is an amenable number.

26248993 is a deficient number, since it is larger than the sum of its proper divisors (1).

26248993 is an equidigital number, since it uses as much as digits as its factorization.

26248993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 26248993 is about 5123.3771088999. The cubic root of 26248993 is about 297.1922972534.

The spelling of 26248993 in words is "twenty-six million, two hundred forty-eight thousand, nine hundred ninety-three".