5131532530 has 32 divisors (see below), whose sum is σ = 9873456768. Its totient is φ = 1915478400.

The previous prime is 5131532491. The next prime is 5131532543. The reversal of 5131532530 is 352351315.

It is a super-2 number, since 2×5131532530² = 52665252212896401800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262656 + ... + 281515.

It is an arithmetic number, because the mean of its divisors is an integer number (308545524).

Almost surely, 2^5131532530 is an apocalyptic number.

5131532530 is a deficient number, since it is larger than the sum of its proper divisors (4741924238).

5131532530 is a wasteful number, since it uses less digits than its factorization.

5131532530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544242.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 5131532530 is about 71634.7159553243. The cubic root of 5131532530 is about 1724.8408484408.

Adding to 5131532530 its reverse (352351315), we get a palindrome (5483883845).

It can be divided in two parts, 51315 and 32530, that added together give a triangular number (83845 = T₄₀₉).

The spelling of 5131532530 in words is "five billion, one hundred thirty-one million, five hundred thirty-two thousand, five hundred thirty".