25338489 has 36 divisors (see below), whose sum is σ = 38923248. Its totient is φ = 14648480.

The previous prime is 25338473. The next prime is 25338491. The reversal of 25338489 is 98483352.

It is not a de Polignac number, because 25338489 - 2⁴ = 25338473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25338489.

It is not an unprimeable number, because it can be changed into a prime (25338589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 305242 + ... + 305324.

Almost surely, 2^25338489 is an apocalyptic number.

25338489 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

25338489 is a deficient number, since it is larger than the sum of its proper divisors (13584759).

25338489 is a wasteful number, since it uses less digits than its factorization.

25338489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 126 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 25338489 is about 5033.7350943410. The cubic root of 25338489 is about 293.7155261189.

The spelling of 25338489 in words is "twenty-five million, three hundred thirty-eight thousand, four hundred eighty-nine".