25489330 has 8 divisors (see below), whose sum is σ = 45880812. Its totient is φ = 10195728.

The previous prime is 25489319. The next prime is 25489339. The reversal of 25489330 is 3398452.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24196561 + 1292769 = 4919^2 + 1137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25489339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274457 + ... + 1274476.

Almost surely, 2^25489330 is an apocalyptic number.

25489330 is a deficient number, since it is larger than the sum of its proper divisors (20391482).

25489330 is a wasteful number, since it uses less digits than its factorization.

25489330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548940.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 25489330 is about 5048.6958712127. The cubic root of 25489330 is about 294.2972066620.

The spelling of 25489330 in words is "twenty-five million, four hundred eighty-nine thousand, three hundred thirty".