525055424 has 56 divisors (see below), whose sum is σ = 1120200960. Its totient is φ = 243392256.

The previous prime is 525055393. The next prime is 525055441. The reversal of 525055424 is 424550525.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 52559 + ... + 61745.

Almost surely, 2^525055424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525055424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560100480).

525055424 is an abundant number, since it is smaller than the sum of its proper divisors (595145536).

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

525055424 is a wasteful number, since it uses less digits than its factorization.

525055424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9265 (or 9255 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 525055424 is about 22914.0878936954. The cubic root of 525055424 is about 806.7427101623.

The spelling of 525055424 in words is "five hundred twenty-five million, fifty-five thousand, four hundred twenty-four".