282616261 has 4 divisors (see below), whose sum is σ = 282746752. Its totient is φ = 282485772.

The previous prime is 282616247. The next prime is 282616267. The reversal of 282616261 is 162616282.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 282616261 - 2⁷ = 282616133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282616267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61941 + ... + 66346.

It is an arithmetic number, because the mean of its divisors is an integer number (70686688).

Almost surely, 2^282616261 is an apocalyptic number.

It is an amenable number.

282616261 is a deficient number, since it is larger than the sum of its proper divisors (130491).

282616261 is a wasteful number, since it uses less digits than its factorization.

282616261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130490.

The product of its digits is 13824, while the sum is 34.

The square root of 282616261 is about 16811.1945143705. The cubic root of 282616261 is about 656.2445587334.

The spelling of 282616261 in words is "two hundred eighty-two million, six hundred sixteen thousand, two hundred sixty-one".