260217250 has 32 divisors (see below), whose sum is σ = 488442240. Its totient is φ = 103806000.

The previous prime is 260217247. The next prime is 260217253. The reversal of 260217250 is 52712062.

It is an interprime number because it is at equal distance from previous prime (260217247) and next prime (260217253).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (260217253) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 108565 + ... + 110935.

It is an arithmetic number, because the mean of its divisors is an integer number (15263820).

Almost surely, 2^260217250 is an apocalyptic number.

260217250 is a deficient number, since it is larger than the sum of its proper divisors (228224990).

260217250 is a wasteful number, since it uses less digits than its factorization.

260217250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827 (or 2817 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 260217250 is about 16131.2507264626. The cubic root of 260217250 is about 638.4281495058.

The spelling of 260217250 in words is "two hundred sixty million, two hundred seventeen thousand, two hundred fifty".