25471952 has 60 divisors (see below), whose sum is σ = 55413120. Its totient is φ = 11330880.

The previous prime is 25471939. The next prime is 25471961. The reversal of 25471952 is 25917452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114113 + ... + 114335.

It is an arithmetic number, because the mean of its divisors is an integer number (923552).

Almost surely, 2^25471952 is an apocalyptic number.

25471952 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 25471952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27706560).

25471952 is an abundant number, since it is smaller than the sum of its proper divisors (29941168).

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

25471952 is a wasteful number, since it uses less digits than its factorization.

25471952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 295 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 25471952 is about 5046.9745392661. The cubic root of 25471952 is about 294.2303099178.

The spelling of 25471952 in words is "twenty-five million, four hundred seventy-one thousand, nine hundred fifty-two".