2534216281 has 3 divisors (see below), whose sum is σ = 2534266623. Its totient is φ = 2534165940.

The previous prime is 2534216263. The next prime is 2534216317. The reversal of 2534216281 is 1826124352.

The square root of 2534216281 is 50341.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1433303881 + 1100912400 = 37859^2 + 33180^2 .

It is not a de Polignac number, because 2534216281 - 2⁵ = 2534216249 is a prime.

It is a super-2 number, since 2×2534216281² = 12844504317770941922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2534216221) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 25171 + ... + 75511.

It is an arithmetic number, because the mean of its divisors is an integer number (844755541).

Almost surely, 2^2534216281 is an apocalyptic number.

2534216281 is the 50341-st square number.

2534216281 is the 25171-st centered octagonal number.

It is an amenable number.

2534216281 is a deficient number, since it is larger than the sum of its proper divisors (50342).

2534216281 is an frugal number, since it uses more digits than its factorization.

2534216281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100682 (or 50341 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The cubic root of 2534216281 is about 1363.3725914068.

The spelling of 2534216281 in words is "two billion, five hundred thirty-four million, two hundred sixteen thousand, two hundred eighty-one".