520063254 has 48 divisors (see below), whose sum is σ = 1206266880. Its totient is φ = 167757480.

The previous prime is 520063253. The next prime is 520063261. The reversal of 520063254 is 452360025.

520063254 is a `hidden beast` number, since 5 + 20 + 0 + 632 + 5 + 4 = 666.

It is a super-2 number, since 2×520063254² = 540931576322137032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520063253) 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, 2194 + ... + 32325.

It is an arithmetic number, because the mean of its divisors is an integer number (25130560).

Almost surely, 2^520063254 is an apocalyptic number.

520063254 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 520063254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603133440).

520063254 is an abundant number, since it is smaller than the sum of its proper divisors (686203626).

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

520063254 is a wasteful number, since it uses less digits than its factorization.

520063254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34567 (or 34555 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 520063254 is about 22804.8953955066. The cubic root of 520063254 is about 804.1777564198.

The spelling of 520063254 in words is "five hundred twenty million, sixty-three thousand, two hundred fifty-four".