525310121 has 8 divisors (see below), whose sum is σ = 600687360. Its totient is φ = 450016128.

The previous prime is 525310109. The next prime is 525310169. The reversal of 525310121 is 121013525.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525310121 - 2⁶ = 525310057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 525310093 and 525310102.

It is not an unprimeable number, because it can be changed into a prime (525310171) 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, 6641 + ... + 33086.

It is an arithmetic number, because the mean of its divisors is an integer number (75085920).

Almost surely, 2^525310121 is an apocalyptic number.

It is an amenable number.

525310121 is a deficient number, since it is larger than the sum of its proper divisors (75377239).

525310121 is a wasteful number, since it uses less digits than its factorization.

525310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41623.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 525310121 is about 22919.6448707217. The cubic root of 525310121 is about 806.8731355887.

Adding to 525310121 its reverse (121013525), we get a palindrome (646323646).

The spelling of 525310121 in words is "five hundred twenty-five million, three hundred ten thousand, one hundred twenty-one".