2531543466 has 16 divisors (see below), whose sum is σ = 5127177600. Its totient is φ = 833166048.

The previous prime is 2531543449. The next prime is 2531543513. The reversal of 2531543466 is 6643451352.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2669931 + ... + 2670878.

It is an arithmetic number, because the mean of its divisors is an integer number (320448600).

Almost surely, 2^2531543466 is an apocalyptic number.

2531543466 is an abundant number, since it is smaller than the sum of its proper divisors (2595634134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2531543466 is a wasteful number, since it uses less digits than its factorization.

2531543466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340893.

The product of its digits is 259200, while the sum is 39.

The square root of 2531543466 is about 50314.4458977737. The cubic root of 2531543466 is about 1362.8931105505.

The spelling of 2531543466 in words is "two billion, five hundred thirty-one million, five hundred forty-three thousand, four hundred sixty-six".