2065861250 has 80 divisors (see below), whose sum is σ = 4164092064. Its totient is φ = 765600000.

The previous prime is 2065861249. The next prime is 2065861333. The reversal of 2065861250 is 521685602.

It is a self number, because there is not a number n which added to its sum of digits gives 2065861250.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 1423025 + ... + 1424475.

Almost surely, 2^2065861250 is an apocalyptic number.

2065861250 is an abundant number, since it is smaller than the sum of its proper divisors (2098230814).

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

2065861250 is a wasteful number, since it uses less digits than its factorization.

2065861250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 2065861250 is about 45451.7463910904. The cubic root of 2065861250 is about 1273.6019534311.

The spelling of 2065861250 in words is "two billion, sixty-five million, eight hundred sixty-one thousand, two hundred fifty".