522052869 has 32 divisors (see below), whose sum is σ = 772906624. Its totient is φ = 311351040.

The previous prime is 522052807. The next prime is 522052897. The reversal of 522052869 is 968250225.

It is not a de Polignac number, because 522052869 - 2⁹ = 522052357 is a prime.

It is a super-3 number, since 3×522052869³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 (522052969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477087 + ... + 478179.

It is an arithmetic number, because the mean of its divisors is an integer number (24153332).

Almost surely, 2^522052869 is an apocalyptic number.

It is an amenable number.

522052869 is a deficient number, since it is larger than the sum of its proper divisors (250853755).

522052869 is a wasteful number, since it uses less digits than its factorization.

522052869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 522052869 is about 22848.4762949305. The cubic root of 522052869 is about 805.2019703350.

The spelling of 522052869 in words is "five hundred twenty-two million, fifty-two thousand, eight hundred sixty-nine".