25124560 has 40 divisors (see below), whose sum is σ = 59415840. Its totient is φ = 9877632.

The previous prime is 25124549. The next prime is 25124569. The reversal of 25124560 is 6542152.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25124569) 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, 2059 + ... + 7381.

It is an arithmetic number, because the mean of its divisors is an integer number (1485396).

Almost surely, 2^25124560 is an apocalyptic number.

25124560 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 25124560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29707920).

25124560 is an abundant number, since it is smaller than the sum of its proper divisors (34291280).

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

25124560 is a wasteful number, since it uses less digits than its factorization.

25124560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395 (or 5389 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 25124560 is about 5012.4405233379. The cubic root of 25124560 is about 292.8865903932.

The spelling of 25124560 in words is "twenty-five million, one hundred twenty-four thousand, five hundred sixty".