26290049 has 2 divisors, whose sum is σ = 26290050. Its totient is φ = 26290048.

The previous prime is 26290039. The next prime is 26290057. The reversal of 26290049 is 94009262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22800625 + 3489424 = 4775^2 + 1868^2 .

It is a cyclic number.

It is not a de Polignac number, because 26290049 - 2¹² = 26285953 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26289997 and 26290024.

It is not a weakly prime, because it can be changed into another prime (26290009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13145024 + 13145025.

It is an arithmetic number, because the mean of its divisors is an integer number (13145025).

Almost surely, 2^26290049 is an apocalyptic number.

It is an amenable number.

26290049 is a deficient number, since it is larger than the sum of its proper divisors (1).

26290049 is an equidigital number, since it uses as much as digits as its factorization.

26290049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 26290049 is about 5127.3822755866. The cubic root of 26290049 is about 297.3471625088.

The spelling of 26290049 in words is "twenty-six million, two hundred ninety thousand, forty-nine".