525431033 has 2 divisors, whose sum is σ = 525431034. Its totient is φ = 525431032.

The previous prime is 525431009. The next prime is 525431047. The reversal of 525431033 is 330134525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 424689664 + 100741369 = 20608^2 + 10037^2 .

It is a cyclic number.

It is not a de Polignac number, because 525431033 - 2²⁰ = 524382457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 525430993 and 525431011.

It is not a weakly prime, because it can be changed into another prime (525431083) 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, 262715516 + 262715517.

It is an arithmetic number, because the mean of its divisors is an integer number (262715517).

Almost surely, 2^525431033 is an apocalyptic number.

It is an amenable number.

525431033 is a deficient number, since it is larger than the sum of its proper divisors (1).

525431033 is an equidigital number, since it uses as much as digits as its factorization.

525431033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 525431033 is about 22922.2824561604. The cubic root of 525431033 is about 806.9350375373.

Adding to 525431033 its reverse (330134525), we get a palindrome (855565558).

The spelling of 525431033 in words is "five hundred twenty-five million, four hundred thirty-one thousand, thirty-three".