2531206028 has 24 divisors (see below), whose sum is σ = 4977758688. Its totient is φ = 1117454976.

The previous prime is 2531206021. The next prime is 2531206031. The reversal of 2531206028 is 8206021352.

It is not an unprimeable number, because it can be changed into a prime (2531206021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057001 + ... + 1059392.

It is an arithmetic number, because the mean of its divisors is an integer number (207406612).

Almost surely, 2^2531206028 is an apocalyptic number.

It is an amenable number.

2531206028 is a deficient number, since it is larger than the sum of its proper divisors (2446552660).

2531206028 is a wasteful number, since it uses less digits than its factorization.

2531206028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116433 (or 2116431 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2531206028 is about 50311.0924945980. The cubic root of 2531206028 is about 1362.8325529807.

The spelling of 2531206028 in words is "two billion, five hundred thirty-one million, two hundred six thousand, twenty-eight".