2506535531 has 2 divisors, whose sum is σ = 2506535532. Its totient is φ = 2506535530.

The previous prime is 2506535503. The next prime is 2506535579. The reversal of 2506535531 is 1355356052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2506535531 - 2⁶ = 2506535467 is a prime.

It is a super-2 number, since 2×2506535531² = 12565440736330903922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2506535491 and 2506535500.

It is not a weakly prime, because it can be changed into another prime (2506535501) 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, 1253267765 + 1253267766.

It is an arithmetic number, because the mean of its divisors is an integer number (1253267766).

Almost surely, 2^2506535531 is an apocalyptic number.

2506535531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506535531 is an equidigital number, since it uses as much as digits as its factorization.

2506535531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67500, while the sum is 35.

The square root of 2506535531 is about 50065.3126525741. The cubic root of 2506535531 is about 1358.3904565670.

The spelling of 2506535531 in words is "two billion, five hundred six million, five hundred thirty-five thousand, five hundred thirty-one".