261682752 has 28 divisors (see below), whose sum is σ = 692369456. Its totient is φ = 87227520.

The previous prime is 261682723. The next prime is 261682769. The reversal of 261682752 is 257286162.

261682752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 261682752.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681274 + ... + 681657.

Almost surely, 2^261682752 is an apocalyptic number.

It is an amenable number.

261682752 is an abundant number, since it is smaller than the sum of its proper divisors (430686704).

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

261682752 is a wasteful number, since it uses less digits than its factorization.

261682752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362946 (or 1362936 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 261682752 is about 16176.6112644151. The cubic root of 261682752 is about 639.6244150472.

It can be divided in two parts, 26168 and 2752, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 261682752 in words is "two hundred sixty-one million, six hundred eighty-two thousand, seven hundred fifty-two".