525078240 has 192 divisors, whose sum is σ = 1709890560. Its totient is φ = 135383040.

The previous prime is 525078233. The next prime is 525078259. The reversal of 525078240 is 42870525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2313007 + ... + 2313233.

It is an arithmetic number, because the mean of its divisors is an integer number (8905680).

Almost surely, 2^525078240 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 525078240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854945280).

525078240 is an abundant number, since it is smaller than the sum of its proper divisors (1184812320).

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

525078240 is a wasteful number, since it uses less digits than its factorization.

525078240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 525078240 is about 22914.5857479467. The cubic root of 525078240 is about 806.7543955161.

The spelling of 525078240 in words is "five hundred twenty-five million, seventy-eight thousand, two hundred forty".