25313135 has 8 divisors (see below), whose sum is σ = 30403296. Its totient is φ = 20232160.

The previous prime is 25313131. The next prime is 25313137. The reversal of 25313135 is 53131352.

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

It is not a de Polignac number, because 25313135 - 2² = 25313131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25313135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25313131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7865 + ... + 10605.

It is an arithmetic number, because the mean of its divisors is an integer number (3800412).

Almost surely, 2^25313135 is an apocalyptic number.

25313135 is a deficient number, since it is larger than the sum of its proper divisors (5090161).

25313135 is a wasteful number, since it uses less digits than its factorization.

25313135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593.

The product of its digits is 1350, while the sum is 23.

The square root of 25313135 is about 5031.2160557861. The cubic root of 25313135 is about 293.6175283175.

Adding to 25313135 its reverse (53131352), we get a palindrome (78444487).

The spelling of 25313135 in words is "twenty-five million, three hundred thirteen thousand, one hundred thirty-five".