2530031540 has 12 divisors (see below), whose sum is σ = 5313066276. Its totient is φ = 1012012608.

The previous prime is 2530031531. The next prime is 2530031561. The reversal of 2530031540 is 451300352.

It can be written as a sum of positive squares in 2 ways, for example, as 602997136 + 1927034404 = 24556^2 + 43898^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63250769 + ... + 63250808.

It is an arithmetic number, because the mean of its divisors is an integer number (442755523).

Almost surely, 2^2530031540 is an apocalyptic number.

2530031540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2530031540 is an abundant number, since it is smaller than the sum of its proper divisors (2783034736).

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

2530031540 is a wasteful number, since it uses less digits than its factorization.

2530031540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126501586 (or 126501584 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2530031540 is about 50299.4188833231. The cubic root of 2530031540 is about 1362.6217340942.

Adding to 2530031540 its reverse (451300352), we get a palindrome (2981331892).

The spelling of 2530031540 in words is "two billion, five hundred thirty million, thirty-one thousand, five hundred forty".