525304133 has 4 divisors (see below), whose sum is σ = 539501580. Its totient is φ = 511106688.

The previous prime is 525304121. The next prime is 525304139. The reversal of 525304133 is 331403525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 429401284 + 95902849 = 20722^2 + 9793^2 .

It is a cyclic number.

It is not a de Polignac number, because 525304133 - 2⁶ = 525304069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525304139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7098668 + ... + 7098741.

It is an arithmetic number, because the mean of its divisors is an integer number (134875395).

Almost surely, 2^525304133 is an apocalyptic number.

It is an amenable number.

525304133 is a deficient number, since it is larger than the sum of its proper divisors (14197447).

525304133 is a wasteful number, since it uses less digits than its factorization.

525304133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14197446.

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

The square root of 525304133 is about 22919.5142400532. The cubic root of 525304133 is about 806.8700697333.

Adding to 525304133 its reverse (331403525), we get a palindrome (856707658).

The spelling of 525304133 in words is "five hundred twenty-five million, three hundred four thousand, one hundred thirty-three".