260555025 has 12 divisors (see below), whose sum is σ = 430784432. Its totient is φ = 138962640.

The previous prime is 260555021. The next prime is 260555059. The reversal of 260555025 is 520555062.

It is not a de Polignac number, because 260555025 - 2² = 260555021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260554983 and 260555001.

It is not an unprimeable number, because it can be changed into a prime (260555021) 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, 1736959 + ... + 1737108.

Almost surely, 2^260555025 is an apocalyptic number.

260555025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

260555025 is a deficient number, since it is larger than the sum of its proper divisors (170229407).

260555025 is a wasteful number, since it uses less digits than its factorization.

260555025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474080 (or 3474075 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 260555025 is about 16141.7169161152. The cubic root of 260555025 is about 638.7042672874.

It can be divided in two parts, 2605 and 55025, that added together give a triangular number (57630 = T₃₃₉).

The spelling of 260555025 in words is "two hundred sixty million, five hundred fifty-five thousand, twenty-five".