25134135 has 32 divisors (see below), whose sum is σ = 44038848. Its totient is φ = 12165120.

The previous prime is 25134133. The next prime is 25134139. The reversal of 25134135 is 53143152.

It is not a de Polignac number, because 25134135 - 2¹ = 25134133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25134133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10839 + ... + 12951.

It is an arithmetic number, because the mean of its divisors is an integer number (1376214).

Almost surely, 2^25134135 is an apocalyptic number.

25134135 is a deficient number, since it is larger than the sum of its proper divisors (18904713).

25134135 is a wasteful number, since it uses less digits than its factorization.

25134135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195.

The product of its digits is 1800, while the sum is 24.

The square root of 25134135 is about 5013.3955559082. The cubic root of 25134135 is about 292.9237921448.

Adding to 25134135 its reverse (53143152), we get a palindrome (78277287).

The spelling of 25134135 in words is "twenty-five million, one hundred thirty-four thousand, one hundred thirty-five".