25305135 has 8 divisors (see below), whose sum is σ = 40488240. Its totient is φ = 13496064.

The previous prime is 25305109. The next prime is 25305149. The reversal of 25305135 is 53150352.

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

It is not a de Polignac number, because 25305135 - 2¹¹ = 25303087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843490 + ... + 843519.

It is an arithmetic number, because the mean of its divisors is an integer number (5061030).

Almost surely, 2^25305135 is an apocalyptic number.

25305135 is a deficient number, since it is larger than the sum of its proper divisors (15183105).

25305135 is a wasteful number, since it uses less digits than its factorization.

25305135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687017.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 25305135 is about 5030.4209565403. The cubic root of 25305135 is about 293.5865932881.

Adding to 25305135 its reverse (53150352), we get a palindrome (78455487).

The spelling of 25305135 in words is "twenty-five million, three hundred five thousand, one hundred thirty-five".