26652749 has 2 divisors, whose sum is σ = 26652750. Its totient is φ = 26652748.

The previous prime is 26652739. The next prime is 26652757. The reversal of 26652749 is 94725662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14577124 + 12075625 = 3818^2 + 3475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26652749 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26652739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13326374 + 13326375.

It is an arithmetic number, because the mean of its divisors is an integer number (13326375).

Almost surely, 2^26652749 is an apocalyptic number.

It is an amenable number.

26652749 is a deficient number, since it is larger than the sum of its proper divisors (1).

26652749 is an equidigital number, since it uses as much as digits as its factorization.

26652749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 26652749 is about 5162.6300467882. The cubic root of 26652749 is about 298.7083318111.

The spelling of 26652749 in words is "twenty-six million, six hundred fifty-two thousand, seven hundred forty-nine".