3105305250 has 64 divisors (see below), whose sum is σ = 7762165632. Its totient is φ = 826872000.

The previous prime is 3105305249. The next prime is 3105305257. The reversal of 3105305250 is 525035013.

It is a self number, because there is not a number n which added to its sum of digits gives 3105305250.

It is not an unprimeable number, because it can be changed into a prime (3105305257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 587620 + ... + 592880.

It is an arithmetic number, because the mean of its divisors is an integer number (121283838).

Almost surely, 2^3105305250 is an apocalyptic number.

3105305250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3105305250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3881082816).

3105305250 is an abundant number, since it is smaller than the sum of its proper divisors (4656860382).

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

3105305250 is a wasteful number, since it uses less digits than its factorization.

3105305250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068 (or 6058 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 3105305250 is about 55725.2658136325. The cubic root of 3105305250 is about 1458.9310449661.

The spelling of 3105305250 in words is "three billion, one hundred five million, three hundred five thousand, two hundred fifty".