525428311 has 4 divisors (see below), whose sum is σ = 525474432. Its totient is φ = 525382192.

The previous prime is 525428303. The next prime is 525428347. The reversal of 525428311 is 113824525.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 525428311 - 2³ = 525428303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525428611) 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 in 3 ways as a sum of consecutive naturals, for example, 7755 + ... + 33331.

It is an arithmetic number, because the mean of its divisors is an integer number (131368608).

Almost surely, 2^525428311 is an apocalyptic number.

525428311 is a deficient number, since it is larger than the sum of its proper divisors (46121).

525428311 is a wasteful number, since it uses less digits than its factorization.

525428311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46120.

The product of its digits is 9600, while the sum is 31.

The square root of 525428311 is about 22922.2230815425. The cubic root of 525428311 is about 806.9336440902.

The spelling of 525428311 in words is "five hundred twenty-five million, four hundred twenty-eight thousand, three hundred eleven".