260288253 has 12 divisors (see below), whose sum is σ = 388936860. Its totient is φ = 167541696.

The previous prime is 260288251. The next prime is 260288299. The reversal of 260288253 is 352882062.

It can be written as a sum of positive squares in 2 ways, for example, as 193015449 + 67272804 = 13893^2 + 8202^2 .

It is not a de Polignac number, because 260288253 - 2¹ = 260288251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260288251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498376 + ... + 498897.

It is an arithmetic number, because the mean of its divisors is an integer number (32411405).

Almost surely, 2^260288253 is an apocalyptic number.

It is an amenable number.

260288253 is a deficient number, since it is larger than the sum of its proper divisors (128648607).

260288253 is a wasteful number, since it uses less digits than its factorization.

260288253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997308 (or 997305 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 260288253 is about 16133.4513666481. The cubic root of 260288253 is about 638.4862114926.

The spelling of 260288253 in words is "two hundred sixty million, two hundred eighty-eight thousand, two hundred fifty-three".