2097857250 has 96 divisors (see below), whose sum is σ = 5811217776. Its totient is φ = 545760000.

The previous prime is 2097857231. The next prime is 2097857261. The reversal of 2097857250 is 527587902.

It is a happy number.

2097857250 is a `hidden beast` number, since 2 + 0 + 9 + 78 + 572 + 5 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 245329569 + 1852527681 = 15663^2 + 43041^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2097857196 and 2097857205.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80880 + ... + 103620.

Almost surely, 2^2097857250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2097857250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2905608888).

2097857250 is an abundant number, since it is smaller than the sum of its proper divisors (3713360526).

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

2097857250 is a wasteful number, since it uses less digits than its factorization.

2097857250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22805 (or 22792 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 2097857250 is about 45802.3716634849. The cubic root of 2097857250 is about 1280.1434673988.

The spelling of 2097857250 in words is "two billion, ninety-seven million, eight hundred fifty-seven thousand, two hundred fifty".