260553005 has 8 divisors (see below), whose sum is σ = 313208952. Its totient is φ = 208078848.

The previous prime is 260552911. The next prime is 260553037. The reversal of 260553005 is 500355062.

It can be written as a sum of positive squares in 4 ways, for example, as 20241001 + 240312004 = 4499^2 + 15502^2 .

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 260553005 - 2¹⁴ = 260536621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42272 + ... + 48041.

It is an arithmetic number, because the mean of its divisors is an integer number (39151119).

Almost surely, 2^260553005 is an apocalyptic number.

It is an amenable number.

260553005 is a deficient number, since it is larger than the sum of its proper divisors (52655947).

260553005 is an equidigital number, since it uses as much as digits as its factorization.

260553005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90895.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 260553005 is about 16141.6543452027. The cubic root of 260553005 is about 638.7026167263.

The spelling of 260553005 in words is "two hundred sixty million, five hundred fifty-three thousand, five".