520254030 has 64 divisors (see below), whose sum is σ = 1273978368. Its totient is φ = 135945600.

The previous prime is 520254019. The next prime is 520254037. The reversal of 520254030 is 30452025.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 520253988 and 520254006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520254037) 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, 311257 + ... + 312923.

It is an arithmetic number, because the mean of its divisors is an integer number (19905912).

Almost surely, 2^520254030 is an apocalyptic number.

520254030 is an abundant number, since it is smaller than the sum of its proper divisors (753724338).

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

520254030 is a wasteful number, since it uses less digits than its factorization.

520254030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 520254030 is about 22809.0777981049. The cubic root of 520254030 is about 804.2760771906.

The spelling of 520254030 in words is "five hundred twenty million, two hundred fifty-four thousand, thirty".