2505541248 has 640 divisors, whose sum is σ = 9478656000. Its totient is φ = 640493568.

The previous prime is 2505541193. The next prime is 2505541249. The reversal of 2505541248 is 8421455052.

2505541248 is a `hidden beast` number, since 2 + 50 + 554 + 12 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2505541249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 31715673 + ... + 31715751.

It is an arithmetic number, because the mean of its divisors is an integer number (14810400).

Almost surely, 2^2505541248 is an apocalyptic number.

2505541248 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 2505541248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4739328000).

2505541248 is an abundant number, since it is smaller than the sum of its proper divisors (6973114752).

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

2505541248 is a wasteful number, since it uses less digits than its factorization.

2505541248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The square root of 2505541248 is about 50055.3818085528. The cubic root of 2505541248 is about 1358.2108190889.

The spelling of 2505541248 in words is "two billion, five hundred five million, five hundred forty-one thousand, two hundred forty-eight".