25134109 has 48 divisors (see below), whose sum is σ = 36542016. Its totient is φ = 16934400.

The previous prime is 25134091. The next prime is 25134113. The reversal of 25134109 is 90143152.

It is not a de Polignac number, because 25134109 - 2⁵ = 25134077 is a prime.

It is a super-4 number, since 4×25134109⁴ (a number of 31 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25134139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119014 + ... + 119224.

It is an arithmetic number, because the mean of its divisors is an integer number (761292).

Almost surely, 2^25134109 is an apocalyptic number.

It is an amenable number.

25134109 is a deficient number, since it is larger than the sum of its proper divisors (11407907).

25134109 is a wasteful number, since it uses less digits than its factorization.

25134109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 25134109 is about 5013.3929628546. The cubic root of 25134109 is about 292.9236911398.

The spelling of 25134109 in words is "twenty-five million, one hundred thirty-four thousand, one hundred nine".