26239249 has 2 divisors, whose sum is σ = 26239250. Its totient is φ = 26239248.

The previous prime is 26239231. The next prime is 26239259. The reversal of 26239249 is 94293262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14288400 + 11950849 = 3780^2 + 3457^2 .

It is a cyclic number.

It is not a de Polignac number, because 26239249 - 2⁷ = 26239121 is a prime.

It is not a weakly prime, because it can be changed into another prime (26239259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13119624 + 13119625.

It is an arithmetic number, because the mean of its divisors is an integer number (13119625).

Almost surely, 2^26239249 is an apocalyptic number.

It is an amenable number.

26239249 is a deficient number, since it is larger than the sum of its proper divisors (1).

26239249 is an equidigital number, since it uses as much as digits as its factorization.

26239249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The square root of 26239249 is about 5122.4260853623. The cubic root of 26239249 is about 297.1555186978.

The spelling of 26239249 in words is "twenty-six million, two hundred thirty-nine thousand, two hundred forty-nine".