525205133 has 4 divisors (see below), whose sum is σ = 527519040. Its totient is φ = 522891228.

The previous prime is 525205117. The next prime is 525205169. The reversal of 525205133 is 331502525.

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 a cyclic number.

It is not a de Polignac number, because 525205133 - 2⁴ = 525205117 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 (525205103) 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, 1156613 + ... + 1157066.

It is an arithmetic number, because the mean of its divisors is an integer number (131879760).

Almost surely, 2^525205133 is an apocalyptic number.

It is an amenable number.

525205133 is a deficient number, since it is larger than the sum of its proper divisors (2313907).

525205133 is a wasteful number, since it uses less digits than its factorization.

525205133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313906.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 525205133 is about 22917.3544066500. The cubic root of 525205133 is about 806.8193783651.

Adding to 525205133 its reverse (331502525), we get a palindrome (856707658).

The spelling of 525205133 in words is "five hundred twenty-five million, two hundred five thousand, one hundred thirty-three".