25507048 has 48 divisors (see below), whose sum is σ = 57456000. Its totient is φ = 10573920.

The previous prime is 25507039. The next prime is 25507049. The reversal of 25507048 is 84070552.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (25507049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11103 + ... + 13201.

It is an arithmetic number, because the mean of its divisors is an integer number (1197000).

Almost surely, 2^25507048 is an apocalyptic number.

25507048 is a gapful number since it is divisible by the number (28) 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 25507048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28728000).

25507048 is an abundant number, since it is smaller than the sum of its proper divisors (31948952).

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

25507048 is a wasteful number, since it uses less digits than its factorization.

25507048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150 (or 2139 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 25507048 is about 5050.4502769555. The cubic root of 25507048 is about 294.3653809422.

The spelling of 25507048 in words is "twenty-five million, five hundred seven thousand, forty-eight".