25485312 has 112 divisors (see below), whose sum is σ = 73133712. Its totient is φ = 7864320.

The previous prime is 25485301. The next prime is 25485319. The reversal of 25485312 is 21358452.

It is a super-2 number, since 2×25485312² = 1299002255474688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25485312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25485319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417762 + ... + 417822.

Almost surely, 2^25485312 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 25485312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36566856).

25485312 is an abundant number, since it is smaller than the sum of its proper divisors (47648400).

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

25485312 is an equidigital number, since it uses as much as digits as its factorization.

25485312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 83 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 25485312 is about 5048.2979309862. The cubic root of 25485312 is about 294.2817420432.

The spelling of 25485312 in words is "twenty-five million, four hundred eighty-five thousand, three hundred twelve".