525204126 has 48 divisors (see below), whose sum is σ = 1194444576. Its totient is φ = 166465728.

The previous prime is 525204067. The next prime is 525204143. The reversal of 525204126 is 621402525.

It is a self number, because there is not a number n which added to its sum of digits gives 525204126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67956 + ... + 75288.

It is an arithmetic number, because the mean of its divisors is an integer number (24884262).

Almost surely, 2^525204126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525204126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597222288).

525204126 is an abundant number, since it is smaller than the sum of its proper divisors (669240450).

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

525204126 is a wasteful number, since it uses less digits than its factorization.

525204126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537 (or 7534 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 525204126 is about 22917.3324363897. The cubic root of 525204126 is about 806.8188627142.

The spelling of 525204126 in words is "five hundred twenty-five million, two hundred four thousand, one hundred twenty-six".