525540333 has 4 divisors (see below), whose sum is σ = 700720448. Its totient is φ = 350360220.

The previous prime is 525540331. The next prime is 525540343. The reversal of 525540333 is 333045525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 525540333 - 2¹ = 525540331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 525540333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525540331) 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 in 3 ways as a sum of consecutive naturals, for example, 87590053 + ... + 87590058.

It is an arithmetic number, because the mean of its divisors is an integer number (175180112).

Almost surely, 2^525540333 is an apocalyptic number.

It is an amenable number.

525540333 is a deficient number, since it is larger than the sum of its proper divisors (175180115).

525540333 is a wasteful number, since it uses less digits than its factorization.

525540333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175180114.

The product of its (nonzero) digits is 27000, while the sum is 30.

The square root of 525540333 is about 22924.6664752183. Note that the first 3 decimals coincide. The cubic root of 525540333 is about 806.9909864498.

Adding to 525540333 its reverse (333045525), we get a palindrome (858585858).

The spelling of 525540333 in words is "five hundred twenty-five million, five hundred forty thousand, three hundred thirty-three".