520361430 has 48 divisors (see below), whose sum is σ = 1305566640. Its totient is φ = 132725824.

The previous prime is 520361399. The next prime is 520361431. The reversal of 520361430 is 34163025.

It is a happy number.

520361430 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 520361430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520361431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 525 + ... + 32264.

It is an arithmetic number, because the mean of its divisors is an integer number (27199305).

Almost surely, 2^520361430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520361430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652783320).

520361430 is an abundant number, since it is smaller than the sum of its proper divisors (785205210).

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

520361430 is a wasteful number, since it uses less digits than its factorization.

520361430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32845 (or 32822 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 520361430 is about 22811.4320023974. The cubic root of 520361430 is about 804.3314176604.

The spelling of 520361430 in words is "five hundred twenty million, three hundred sixty-one thousand, four hundred thirty".