2531022580 has 48 divisors (see below), whose sum is σ = 5567595264. Its totient is φ = 964663040.

The previous prime is 2531022569. The next prime is 2531022583. The reversal of 2531022580 is 852201352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531022583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110520 + ... + 131440.

It is an arithmetic number, because the mean of its divisors is an integer number (115991568).

Almost surely, 2^2531022580 is an apocalyptic number.

2531022580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2531022580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2783797632).

2531022580 is an abundant number, since it is smaller than the sum of its proper divisors (3036572684).

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

2531022580 is a wasteful number, since it uses less digits than its factorization.

2531022580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21216 (or 21214 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2531022580 is about 50309.2693248471. The cubic root of 2531022580 is about 1362.7996286298.

The spelling of 2531022580 in words is "two billion, five hundred thirty-one million, twenty-two thousand, five hundred eighty".