261383282 has 8 divisors (see below), whose sum is σ = 401637852. Its totient is φ = 127504000.

The previous prime is 261383267. The next prime is 261383303. The reversal of 261383282 is 282383162.

261383282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 208253761 + 53129521 = 14431^2 + 7289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1593719 + ... + 1593882.

Almost surely, 2^261383282 is an apocalyptic number.

261383282 is a deficient number, since it is larger than the sum of its proper divisors (140254570).

261383282 is a wasteful number, since it uses less digits than its factorization.

261383282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187644.

The product of its digits is 27648, while the sum is 35.

The square root of 261383282 is about 16167.3523497201. The cubic root of 261383282 is about 639.3803263075.

The spelling of 261383282 in words is "two hundred sixty-one million, three hundred eighty-three thousand, two hundred eighty-two".