260173381 has 8 divisors (see below), whose sum is σ = 287759864. Its totient is φ = 233668800.

The previous prime is 260173379. The next prime is 260173391. The reversal of 260173381 is 183371062.

It can be written as a sum of positive squares in 4 ways, for example, as 129276900 + 130896481 = 11370^2 + 11441^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 260173381 - 2¹ = 260173379 is a prime.

It is a super-2 number, since 2×260173381² = 135380376361942322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260173351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269970 + ... + 270931.

It is an arithmetic number, because the mean of its divisors is an integer number (35969983).

Almost surely, 2^260173381 is an apocalyptic number.

It is an amenable number.

260173381 is a deficient number, since it is larger than the sum of its proper divisors (27586483).

260173381 is a wasteful number, since it uses less digits than its factorization.

260173381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540951.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 260173381 is about 16129.8909171761. The cubic root of 260173381 is about 638.3922707948.

The spelling of 260173381 in words is "two hundred sixty million, one hundred seventy-three thousand, three hundred eighty-one".