25315104 has 48 divisors (see below), whose sum is σ = 68257728. Its totient is φ = 8209152.

The previous prime is 25315063. The next prime is 25315117. The reversal of 25315104 is 40151352.

It is a tau number, because it is divible by the number of its divisors (48).

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, 12 + ... + 7115.

It is an arithmetic number, because the mean of its divisors is an integer number (1422036).

Almost surely, 2^25315104 is an apocalyptic number.

25315104 is a gapful number since it is divisible by the number (24) 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 25315104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34128864).

25315104 is an abundant number, since it is smaller than the sum of its proper divisors (42942624).

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

25315104 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (25315103) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (7177).

25315104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7177 (or 7169 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 25315104 is about 5031.4117303198. The cubic root of 25315104 is about 293.6251412020.

Adding to 25315104 its reverse (40151352), we get a palindrome (65466456).

The spelling of 25315104 in words is "twenty-five million, three hundred fifteen thousand, one hundred four".