525463220 has 24 divisors (see below), whose sum is σ = 1104364800. Its totient is φ = 210015392.

The previous prime is 525463219. The next prime is 525463273. The reversal of 525463220 is 22364525.

It is a super-3 number, since 3×525463220³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 16421 + ... + 36339.

It is an arithmetic number, because the mean of its divisors is an integer number (46015200).

Almost surely, 2^525463220 is an apocalyptic number.

It is an amenable number.

525463220 is an abundant number, since it is smaller than the sum of its proper divisors (578901580).

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

525463220 is a wasteful number, since it uses less digits than its factorization.

525463220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21247 (or 21245 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 525463220 is about 22922.9845351778. The cubic root of 525463220 is about 806.9515143510.

The spelling of 525463220 in words is "five hundred twenty-five million, four hundred sixty-three thousand, two hundred twenty".