2520131524 has 12 divisors (see below), whose sum is σ = 4414214700. Its totient is φ = 1258927328.

The previous prime is 2520131507. The next prime is 2520131533. The reversal of 2520131524 is 4251310252.

It can be written as a sum of positive squares in 2 ways, for example, as 593799424 + 1926332100 = 24368^2 + 43890^2 .

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, 279619 + ... + 288490.

It is an arithmetic number, because the mean of its divisors is an integer number (367851225).

Almost surely, 2^2520131524 is an apocalyptic number.

It is an amenable number.

2520131524 is a deficient number, since it is larger than the sum of its proper divisors (1894083176).

2520131524 is a wasteful number, since it uses less digits than its factorization.

2520131524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569222 (or 569220 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2520131524 is about 50200.9115853487. The cubic root of 2520131524 is about 1360.8420974193.

Adding to 2520131524 its reverse (4251310252), we get a palindrome (6771441776).

The spelling of 2520131524 in words is "two billion, five hundred twenty million, one hundred thirty-one thousand, five hundred twenty-four".