520265452 has 96 divisors (see below), whose sum is σ = 1115896320. Its totient is φ = 207567360.

The previous prime is 520265413. The next prime is 520265461. The reversal of 520265452 is 254562025.

It is a happy number.

It is a super-3 number, since 3×520265452³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3971427 + ... + 3971557.

It is an arithmetic number, because the mean of its divisors is an integer number (11623920).

Almost surely, 2^520265452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520265452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557948160).

520265452 is an abundant number, since it is smaller than the sum of its proper divisors (595630868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520265452 is a wasteful number, since it uses less digits than its factorization.

520265452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 520265452 is about 22809.3281794971. The cubic root of 520265452 is about 804.2819630166.

The spelling of 520265452 in words is "five hundred twenty million, two hundred sixty-five thousand, four hundred fifty-two".