525442133 has 2 divisors, whose sum is σ = 525442134. Its totient is φ = 525442132.

The previous prime is 525442111. The next prime is 525442163. The reversal of 525442133 is 331244525.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 451860049 + 73582084 = 21257^2 + 8578^2 .

It is a cyclic number.

It is not a de Polignac number, because 525442133 - 2²⁶ = 458333269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 525442096 and 525442105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525442163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262721066 + 262721067.

It is an arithmetic number, because the mean of its divisors is an integer number (262721067).

Almost surely, 2^525442133 is an apocalyptic number.

It is an amenable number.

525442133 is a deficient number, since it is larger than the sum of its proper divisors (1).

525442133 is an equidigital number, since it uses as much as digits as its factorization.

525442133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 29.

The square root of 525442133 is about 22922.5245773671. The cubic root of 525442133 is about 806.9407198028.

Adding to 525442133 its reverse (331244525), we get a palindrome (856686658).

The spelling of 525442133 in words is "five hundred twenty-five million, four hundred forty-two thousand, one hundred thirty-three".