25524480 has 216 divisors, whose sum is σ = 90361152. Its totient is φ = 6127616.

The previous prime is 25524479. The next prime is 25524481. The reversal of 25524480 is 8442552.

It is an interprime number because it is at equal distance from previous prime (25524479) and next prime (25524481).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (25524481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1109749 + ... + 1109771.

Almost surely, 2^25524480 is an apocalyptic number.

25524480 is a gapful number since it is divisible by the number (20) 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 25524480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45180576).

25524480 is an abundant number, since it is smaller than the sum of its proper divisors (64836672).

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

25524480 is a wasteful number, since it uses less digits than its factorization.

25524480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 25524480 is about 5052.1757689138. The cubic root of 25524480 is about 294.4324239651.

The spelling of 25524480 in words is "twenty-five million, five hundred twenty-four thousand, four hundred eighty".