525686422 has 16 divisors (see below), whose sum is σ = 827901360. Its totient is φ = 249990048.

The previous prime is 525686411. The next prime is 525686429. The reversal of 525686422 is 224686525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525686429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63753 + ... + 71524.

It is an arithmetic number, because the mean of its divisors is an integer number (51743835).

Almost surely, 2^525686422 is an apocalyptic number.

525686422 is a deficient number, since it is larger than the sum of its proper divisors (302214938).

525686422 is a wasteful number, since it uses less digits than its factorization.

525686422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135375.

The product of its digits is 230400, while the sum is 40.

The square root of 525686422 is about 22927.8525379068. The cubic root of 525686422 is about 807.0657549478.

The spelling of 525686422 in words is "five hundred twenty-five million, six hundred eighty-six thousand, four hundred twenty-two".