2605325250 has 256 divisors, whose sum is σ = 7487520768. Its totient is φ = 597600000.

The previous prime is 2605325221. The next prime is 2605325267. The reversal of 2605325250 is 525235062.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15600667 + ... + 15600833.

It is an arithmetic number, because the mean of its divisors is an integer number (29248128).

Almost surely, 2^2605325250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2605325250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3743760384).

2605325250 is an abundant number, since it is smaller than the sum of its proper divisors (4882195518).

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

2605325250 is a wasteful number, since it uses less digits than its factorization.

2605325250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2605325250 is about 51042.3867976410. The cubic root of 2605325250 is about 1376.0070198764.

The spelling of 2605325250 in words is "two billion, six hundred five million, three hundred twenty-five thousand, two hundred fifty".