260853057 has 12 divisors (see below), whose sum is σ = 389780820. Its totient is φ = 167905248.

The previous prime is 260853041. The next prime is 260853067. The reversal of 260853057 is 750358062.

It can be written as a sum of positive squares in 2 ways, for example, as 194853681 + 65999376 = 13959^2 + 8124^2 .

It is not a de Polignac number, because 260853057 - 2⁴ = 260853041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260853067) 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 11 ways as a sum of consecutive naturals, for example, 499458 + ... + 499979.

It is an arithmetic number, because the mean of its divisors is an integer number (32481735).

Almost surely, 2^260853057 is an apocalyptic number.

It is an amenable number.

260853057 is a deficient number, since it is larger than the sum of its proper divisors (128927763).

260853057 is a wasteful number, since it uses less digits than its factorization.

260853057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999472 (or 999469 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 260853057 is about 16150.9460094448. The cubic root of 260853057 is about 638.9476986295.

The spelling of 260853057 in words is "two hundred sixty million, eight hundred fifty-three thousand, fifty-seven".