25338149 has 2 divisors, whose sum is σ = 25338150. Its totient is φ = 25338148.

The previous prime is 25338107. The next prime is 25338161. The reversal of 25338149 is 94183352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25300900 + 37249 = 5030^2 + 193^2 .

It is a cyclic number.

It is not a de Polignac number, because 25338149 - 2¹⁶ = 25272613 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25338179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12669074 + 12669075.

It is an arithmetic number, because the mean of its divisors is an integer number (12669075).

Almost surely, 2^25338149 is an apocalyptic number.

It is an amenable number.

25338149 is a deficient number, since it is larger than the sum of its proper divisors (1).

25338149 is an equidigital number, since it uses as much as digits as its factorization.

25338149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 25338149 is about 5033.7013220889. The cubic root of 25338149 is about 293.7142123898.

The spelling of 25338149 in words is "twenty-five million, three hundred thirty-eight thousand, one hundred forty-nine".