282501817081 has 27 divisors (see below), whose sum is σ = 313365535119. Its totient is φ = 254486509200.

The previous prime is 282501817051. The next prime is 282501817093. The reversal of 282501817081 is 180718105282.

The square root of 282501817081 is 531509.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 263108469481 + 19393347600 = 512941^2 + 139260^2 .

It is not a de Polignac number, because 282501817081 - 2¹⁷ = 282501686009 is a prime.

It is a super-2 number, since 2×282501817081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (282501817021) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1233632275 + ... + 1233632503.

Almost surely, 2^282501817081 is an apocalyptic number.

282501817081 is the 531509-th square number.

282501817081 is the 265755-th centered octagonal number.

It is an amenable number.

282501817081 is a deficient number, since it is larger than the sum of its proper divisors (30863718038).

282501817081 is an frugal number, since it uses more digits than its factorization.

282501817081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 43.

The spelling of 282501817081 in words is "two hundred eighty-two billion, five hundred one million, eight hundred seventeen thousand, eighty-one".