25134630 has 64 divisors (see below), whose sum is σ = 63936000. Its totient is φ = 6310656.

The previous prime is 25134617. The next prime is 25134673. The reversal of 25134630 is 3643152.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25134630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50121 + ... + 50619.

It is an arithmetic number, because the mean of its divisors is an integer number (999000).

Almost surely, 2^25134630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25134630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31968000).

25134630 is an abundant number, since it is smaller than the sum of its proper divisors (38801370).

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

25134630 is a wasteful number, since it uses less digits than its factorization.

25134630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 25134630 is about 5013.4449234035. Note that the first 3 decimals coincide. The cubic root of 25134630 is about 292.9257151117.

Adding to 25134630 its reverse (3643152), we get a palindrome (28777782).

The spelling of 25134630 in words is "twenty-five million, one hundred thirty-four thousand, six hundred thirty".