25134472 has 64 divisors (see below), whose sum is σ = 53913600. Its totient is φ = 10885440.

The previous prime is 25134463. The next prime is 25134481. The reversal of 25134472 is 27443152.

It is an interprime number because it is at equal distance from previous prime (25134463) and next prime (25134481).

It is a self number, because there is not a number n which added to its sum of digits gives 25134472.

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 15 ways as a sum of consecutive naturals, for example, 243973 + ... + 244075.

It is an arithmetic number, because the mean of its divisors is an integer number (842400).

Almost surely, 2^25134472 is an apocalyptic number.

25134472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25134472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26956800).

25134472 is an abundant number, since it is smaller than the sum of its proper divisors (28779128).

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

25134472 is a wasteful number, since it uses less digits than its factorization.

25134472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 222 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 25134472 is about 5013.4291657507. The cubic root of 25134472 is about 292.9251013190.

The spelling of 25134472 in words is "twenty-five million, one hundred thirty-four thousand, four hundred seventy-two".