25330605 has 16 divisors (see below), whose sum is σ = 40657344. Its totient is φ = 13466880.

The previous prime is 25330589. The next prime is 25330609. The reversal of 25330605 is 50603352.

It is not a de Polignac number, because 25330605 - 2⁴ = 25330589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25330609) 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 15 ways as a sum of consecutive naturals, for example, 2550 + ... + 7560.

It is an arithmetic number, because the mean of its divisors is an integer number (2541084).

Almost surely, 2^25330605 is an apocalyptic number.

It is an amenable number.

25330605 is a deficient number, since it is larger than the sum of its proper divisors (15326739).

25330605 is a wasteful number, since it uses less digits than its factorization.

25330605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 25330605 is about 5032.9519171158. The cubic root of 25330605 is about 293.6850600373.

Adding to 25330605 its reverse (50603352), we get a palindrome (75933957).

The spelling of 25330605 in words is "twenty-five million, three hundred thirty thousand, six hundred five".