261008 has 20 divisors (see below), whose sum is σ = 552048. Its totient is φ = 118560.

The previous prime is 260999. The next prime is 261011. The reversal of 261008 is 800162.

261008 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566 + ... + 917.

2²⁶¹⁰⁰⁸ is an apocalyptic number.

It is an amenable number.

261008 is an abundant number, since it is smaller than the sum of its proper divisors (291040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261008 is a wasteful number, since it uses less digits than its factorization.

261008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502 (or 1496 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 261008 is about 510.8894205207. The cubic root of 261008 is about 63.9074182200.

The spelling of 261008 in words is "two hundred sixty-one thousand, eight".