2520535531 has 2 divisors, whose sum is σ = 2520535532. Its totient is φ = 2520535530.

The previous prime is 2520535529. The next prime is 2520535547. The reversal of 2520535531 is 1355350252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2520535531 - 2¹ = 2520535529 is a prime.

It is a super-2 number, since 2×2520535531² = 12706198726066903922, which contains 22 as substring.

Together with 2520535529, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2520535493 and 2520535502.

It is not a weakly prime, because it can be changed into another prime (2520535561) 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 as a sum of consecutive naturals, namely, 1260267765 + 1260267766.

It is an arithmetic number, because the mean of its divisors is an integer number (1260267766).

Almost surely, 2^2520535531 is an apocalyptic number.

2520535531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520535531 is an equidigital number, since it uses as much as digits as its factorization.

2520535531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 2520535531 is about 50204.9353251252. The cubic root of 2520535531 is about 1360.9148132480.

Adding to 2520535531 its reverse (1355350252), we get a palindrome (3875885783).

The spelling of 2520535531 in words is "two billion, five hundred twenty million, five hundred thirty-five thousand, five hundred thirty-one".