525240031 has 2 divisors, whose sum is σ = 525240032. Its totient is φ = 525240030.

The previous prime is 525240013. The next prime is 525240077. The reversal of 525240031 is 130042525.

Together with previous prime (525240013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525240031 - 2⁵ = 525239999 is a prime.

It is a super-2 number, since 2×525240031² = 551754180329761922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 525239984 and 525240011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525240011) by changing a digit.

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 as a sum of consecutive naturals, namely, 262620015 + 262620016.

It is an arithmetic number, because the mean of its divisors is an integer number (262620016).

Almost surely, 2^525240031 is an apocalyptic number.

525240031 is a deficient number, since it is larger than the sum of its proper divisors (1).

525240031 is an equidigital number, since it uses as much as digits as its factorization.

525240031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 525240031 is about 22918.1157820620. The cubic root of 525240031 is about 806.8372480553.

Adding to 525240031 its reverse (130042525), we get a palindrome (655282556).

The spelling of 525240031 in words is "five hundred twenty-five million, two hundred forty thousand, thirty-one".