25913135 has 8 divisors (see below), whose sum is σ = 31936416. Its totient is φ = 20170080.

The previous prime is 25913123. The next prime is 25913141. The reversal of 25913135 is 53131952.

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

It is not a de Polignac number, because 25913135 - 2⁴ = 25913119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25913098 and 25913107.

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, 69851 + ... + 70220.

It is an arithmetic number, because the mean of its divisors is an integer number (3992052).

Almost surely, 2^25913135 is an apocalyptic number.

25913135 is a deficient number, since it is larger than the sum of its proper divisors (6023281).

25913135 is a wasteful number, since it uses less digits than its factorization.

25913135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140113.

The product of its digits is 4050, while the sum is 29.

The square root of 25913135 is about 5090.4945732217. The cubic root of 25913135 is about 295.9193192270.

The spelling of 25913135 in words is "twenty-five million, nine hundred thirteen thousand, one hundred thirty-five".