2531973858 has 48 divisors (see below), whose sum is σ = 5412516480. Its totient is φ = 789396192.

The previous prime is 2531973841. The next prime is 2531973911. The reversal of 2531973858 is 8583791352.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2531973858.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163716 + ... + 178512.

It is an arithmetic number, because the mean of its divisors is an integer number (112760760).

Almost surely, 2^2531973858 is an apocalyptic number.

2531973858 is an abundant number, since it is smaller than the sum of its proper divisors (2880542622).

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

2531973858 is a wasteful number, since it uses less digits than its factorization.

2531973858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14919 (or 14900 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 51.

The square root of 2531973858 is about 50318.7227381618. The cubic root of 2531973858 is about 1362.9703420973.

The spelling of 2531973858 in words is "two billion, five hundred thirty-one million, nine hundred seventy-three thousand, eight hundred fifty-eight".