260873957 has 4 divisors (see below), whose sum is σ = 261034956. Its totient is φ = 260712960.

The previous prime is 260873917. The next prime is 260873983. The reversal of 260873957 is 759378062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13315201 + 247558756 = 3649^2 + 15734^2 .

It is a cyclic number.

It is not a de Polignac number, because 260873957 - 2¹⁰ = 260872933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260873917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78044 + ... + 81317.

It is an arithmetic number, because the mean of its divisors is an integer number (65258739).

Almost surely, 2^260873957 is an apocalyptic number.

It is an amenable number.

260873957 is a deficient number, since it is larger than the sum of its proper divisors (160999).

260873957 is a wasteful number, since it uses less digits than its factorization.

260873957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160998.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 260873957 is about 16151.5930174085. The cubic root of 260873957 is about 638.9647627069.

The spelling of 260873957 in words is "two hundred sixty million, eight hundred seventy-three thousand, nine hundred fifty-seven".