260455025 has 36 divisors (see below), whose sum is σ = 343907676. Its totient is φ = 195523200.

The previous prime is 260455007. The next prime is 260455057. The reversal of 260455025 is 520554062.

It can be written as a sum of positive squares in 6 ways, for example, as 32535616 + 227919409 = 5704^2 + 15097^2 .

It is not a de Polignac number, because 260455025 - 2²⁴ = 243677809 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 888779 + ... + 889071.

It is an arithmetic number, because the mean of its divisors is an integer number (9552991).

Almost surely, 2^260455025 is an apocalyptic number.

260455025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

260455025 is a deficient number, since it is larger than the sum of its proper divisors (83452651).

260455025 is a wasteful number, since it uses less digits than its factorization.

260455025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 260455025 is about 16138.6190549254. The cubic root of 260455025 is about 638.6225460981.

The spelling of 260455025 in words is "two hundred sixty million, four hundred fifty-five thousand, twenty-five".