25505134 has 8 divisors (see below), whose sum is σ = 40508208. Its totient is φ = 12002400.

The previous prime is 25505111. The next prime is 25505159. The reversal of 25505134 is 43150552.

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

It is a junction number, because it is equal to n+sod(n) for n = 25505099 and 25505108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375042 + ... + 375109.

It is an arithmetic number, because the mean of its divisors is an integer number (5063526).

Almost surely, 2^25505134 is an apocalyptic number.

25505134 is a deficient number, since it is larger than the sum of its proper divisors (15003074).

25505134 is a wasteful number, since it uses less digits than its factorization.

25505134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750170.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 25505134 is about 5050.2607853456. The cubic root of 25505134 is about 294.3580178867.

Adding to 25505134 its reverse (43150552), we get a palindrome (68655686).

The spelling of 25505134 in words is "twenty-five million, five hundred five thousand, one hundred thirty-four".