260522250 has 64 divisors (see below), whose sum is σ = 658644480. Its totient is φ = 68577600.

The previous prime is 260522239. The next prime is 260522267. The reversal of 260522250 is 52225062.

It is a self number, because there is not a number n which added to its sum of digits gives 260522250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57052 + ... + 61448.

It is an arithmetic number, because the mean of its divisors is an integer number (10291320).

Almost surely, 2^260522250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260522250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329322240).

260522250 is an abundant number, since it is smaller than the sum of its proper divisors (398122230).

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

260522250 is a wasteful number, since it uses less digits than its factorization.

260522250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496 (or 4486 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 260522250 is about 16140.7016576108. The cubic root of 260522250 is about 638.6774854715.

The spelling of 260522250 in words is "two hundred sixty million, five hundred twenty-two thousand, two hundred fifty".