525912894 has 192 divisors, whose sum is σ = 1394265600. Its totient is φ = 141647616.

The previous prime is 525912889. The next prime is 525912943. The reversal of 525912894 is 498219525.

It is a happy number.

525912894 is a `hidden beast` number, since 52 + 591 + 2 + 8 + 9 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3783477 + ... + 3783615.

It is an arithmetic number, because the mean of its divisors is an integer number (7261800).

Almost surely, 2^525912894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525912894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697132800).

525912894 is an abundant number, since it is smaller than the sum of its proper divisors (868352706).

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

525912894 is a wasteful number, since it uses less digits than its factorization.

525912894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 236 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 525912894 is about 22932.7908026912. The cubic root of 525912894 is about 807.1816361694.

The spelling of 525912894 in words is "five hundred twenty-five million, nine hundred twelve thousand, eight hundred ninety-four".