3061145250 has 128 divisors (see below), whose sum is σ = 8671104000. Its totient is φ = 798854400.

The previous prime is 3061145207. The next prime is 3061145291. The reversal of 3061145250 is 525411603.

3061145250 is a `hidden beast` number, since 3 + 0 + 611 + 45 + 2 + 5 + 0 = 666.

It is a super-2 number, since 2×3061145250² = 18741220483195125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 312426 + ... + 322074.

It is an arithmetic number, because the mean of its divisors is an integer number (67743000).

Almost surely, 2^3061145250 is an apocalyptic number.

3061145250 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 3061145250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4335552000).

3061145250 is an abundant number, since it is smaller than the sum of its proper divisors (5609958750).

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

3061145250 is a wasteful number, since it uses less digits than its factorization.

3061145250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9722 (or 9706 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 3061145250 is about 55327.6174256582. The cubic root of 3061145250 is about 1451.9822670466.

Adding to 3061145250 its reverse (525411603), we get a palindrome (3586556853).

It can be divided in two parts, 306114 and 5250, that added together give a square (311364 = 558²).

The spelling of 3061145250 in words is "three billion, sixty-one million, one hundred forty-five thousand, two hundred fifty".