26842253 has 2 divisors, whose sum is σ = 26842254. Its totient is φ = 26842252.

The previous prime is 26842243. The next prime is 26842271. The reversal of 26842253 is 35224862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18472804 + 8369449 = 4298^2 + 2893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26842253 is a prime.

It is a super-2 number, since 2×26842253² = 1441013092232018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26842223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13421126 + 13421127.

It is an arithmetic number, because the mean of its divisors is an integer number (13421127).

Almost surely, 2^26842253 is an apocalyptic number.

It is an amenable number.

26842253 is a deficient number, since it is larger than the sum of its proper divisors (1).

26842253 is an equidigital number, since it uses as much as digits as its factorization.

26842253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 26842253 is about 5180.9509744834. The cubic root of 26842253 is about 299.4146103246.

The spelling of 26842253 in words is "twenty-six million, eight hundred forty-two thousand, two hundred fifty-three".