25134512 has 40 divisors (see below), whose sum is σ = 52861200. Its totient is φ = 11508480.

The previous prime is 25134509. The next prime is 25134523. The reversal of 25134512 is 21543152.

It is a super-3 number, since 3×25134512³ (a number of 23 digits) contains 333 as substring.

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, 30587 + ... + 31397.

It is an arithmetic number, because the mean of its divisors is an integer number (1321530).

Almost surely, 2^25134512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25134512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26430600).

25134512 is an abundant number, since it is smaller than the sum of its proper divisors (27726688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25134512 is a wasteful number, since it uses less digits than its factorization.

25134512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 975 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 25134512 is about 5013.4331550346. The cubic root of 25134512 is about 292.9252567098.

Adding to 25134512 its reverse (21543152), we get a palindrome (46677664).

The spelling of 25134512 in words is "twenty-five million, one hundred thirty-four thousand, five hundred twelve".