525632121 has 24 divisors (see below), whose sum is σ = 882423360. Its totient is φ = 295268256.

The previous prime is 525632113. The next prime is 525632141. The reversal of 525632121 is 121236525.

It is a happy number.

525632121 is a `hidden beast` number, since 5 + 2 + 5 + 632 + 1 + 21 = 666.

It is not a de Polignac number, because 525632121 - 2³ = 525632113 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (525632141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66990 + ... + 74423.

It is an arithmetic number, because the mean of its divisors is an integer number (36767640).

Almost surely, 2^525632121 is an apocalyptic number.

It is an amenable number.

525632121 is a deficient number, since it is larger than the sum of its proper divisors (356791239).

525632121 is a wasteful number, since it uses less digits than its factorization.

525632121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141485 (or 141482 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 525632121 is about 22926.6683362411. The cubic root of 525632121 is about 807.0379652588.

Adding to 525632121 its reverse (121236525), we get a palindrome (646868646).

The spelling of 525632121 in words is "five hundred twenty-five million, six hundred thirty-two thousand, one hundred twenty-one".