520413452 has 24 divisors (see below), whose sum is σ = 1038473856. Its totient is φ = 226061568.

The previous prime is 520413449. The next prime is 520413493. The reversal of 520413452 is 254314025.

It is a happy number.

It is a super-2 number, since 2×520413452² = 541660322045112608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293468 + ... + 295235.

It is an arithmetic number, because the mean of its divisors is an integer number (43269744).

Almost surely, 2^520413452 is an apocalyptic number.

520413452 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

520413452 is a deficient number, since it is larger than the sum of its proper divisors (518060404).

520413452 is a wasteful number, since it uses less digits than its factorization.

520413452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588737 (or 588735 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 520413452 is about 22812.5722355021. The cubic root of 520413452 is about 804.3582205275.

Adding to 520413452 its reverse (254314025), we get a palindrome (774727477).

The spelling of 520413452 in words is "five hundred twenty million, four hundred thirteen thousand, four hundred fifty-two".