652417121 has 8 divisors (see below), whose sum is σ = 666285480. Its totient is φ = 638606592.

The previous prime is 652417099. The next prime is 652417127. The reversal of 652417121 is 121714256.

It can be written as a sum of positive squares in 4 ways, for example, as 26666896 + 625750225 = 5164^2 + 25015^2 .

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 652417121 - 2¹⁰ = 652416097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (652417127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8735 + ... + 37163.

It is an arithmetic number, because the mean of its divisors is an integer number (83285685).

Almost surely, 2^652417121 is an apocalyptic number.

It is an amenable number.

652417121 is a deficient number, since it is larger than the sum of its proper divisors (13868359).

652417121 is a wasteful number, since it uses less digits than its factorization.

652417121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28915.

The product of its digits is 3360, while the sum is 29.

The square root of 652417121 is about 25542.4572232195. The cubic root of 652417121 is about 867.3115231394.

The spelling of 652417121 in words is "six hundred fifty-two million, four hundred seventeen thousand, one hundred twenty-one".