2522874281 has 4 divisors (see below), whose sum is σ = 2523128772. Its totient is φ = 2522619792.

The previous prime is 2522874269. The next prime is 2522874287. The reversal of 2522874281 is 1824782252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2315053225 + 207821056 = 48115^2 + 14416^2 .

It is a cyclic number.

It is not a de Polignac number, because 2522874281 - 2⁶ = 2522874217 is a prime.

It is a super-2 number, since 2×2522874281² = 12729789275462533922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2522874287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111746 + ... + 132411.

It is an arithmetic number, because the mean of its divisors is an integer number (630782193).

Almost surely, 2^2522874281 is an apocalyptic number.

It is an amenable number.

2522874281 is a deficient number, since it is larger than the sum of its proper divisors (254491).

2522874281 is a wasteful number, since it uses less digits than its factorization.

2522874281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254490.

The product of its digits is 143360, while the sum is 41.

The square root of 2522874281 is about 50228.2219573817. The cubic root of 2522874281 is about 1361.3356041948.

The spelling of 2522874281 in words is "two billion, five hundred twenty-two million, eight hundred seventy-four thousand, two hundred eighty-one".