25532460 has 72 divisors (see below), whose sum is σ = 78427440. Its totient is φ = 6722688.

The previous prime is 25532459. The next prime is 25532471. The reversal of 25532460 is 6423552.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14086 + ... + 15794.

It is an arithmetic number, because the mean of its divisors is an integer number (1089270).

Almost surely, 2^25532460 is an apocalyptic number.

25532460 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 25532460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39213720).

25532460 is an abundant number, since it is smaller than the sum of its proper divisors (52894980).

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

25532460 is a wasteful number, since it uses less digits than its factorization.

25532460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 25532460 is about 5052.9654659418. The cubic root of 25532460 is about 294.4631046545.

The spelling of 25532460 in words is "twenty-five million, five hundred thirty-two thousand, four hundred sixty".