652121369 has 8 divisors (see below), whose sum is σ = 681141312. Its totient is φ = 623157040.

The previous prime is 652121357. The next prime is 652121413. The reversal of 652121369 is 963121256.

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 652121369 - 2²⁴ = 635344153 is a prime.

It is a super-2 number, since 2×652121369² = 850524559812868322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652121069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11042 + ... + 37764.

It is an arithmetic number, because the mean of its divisors is an integer number (85142664).

Almost surely, 2^652121369 is an apocalyptic number.

It is an amenable number.

652121369 is a deficient number, since it is larger than the sum of its proper divisors (29019943).

652121369 is a wasteful number, since it uses less digits than its factorization.

652121369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27807.

The product of its digits is 19440, while the sum is 35.

The square root of 652121369 is about 25536.6671474568. The cubic root of 652121369 is about 867.1804475442.

The spelling of 652121369 in words is "six hundred fifty-two million, one hundred twenty-one thousand, three hundred sixty-nine".