25870548 has 48 divisors (see below), whose sum is σ = 67644864. Its totient is φ = 7626240.

The previous prime is 25870547. The next prime is 25870553. The reversal of 25870548 is 84507852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25870547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2236 + ... + 7532.

It is an arithmetic number, because the mean of its divisors is an integer number (1409268).

Almost surely, 2^25870548 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 25870548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33822432).

25870548 is an abundant number, since it is smaller than the sum of its proper divisors (41774316).

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

25870548 is a wasteful number, since it uses less digits than its factorization.

25870548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352 (or 5350 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 25870548 is about 5086.3098607930. The cubic root of 25870548 is about 295.7571205824.

The spelling of 25870548 in words is "twenty-five million, eight hundred seventy thousand, five hundred forty-eight".