652434161 has 4 divisors (see below), whose sum is σ = 652882800. Its totient is φ = 651985524.

The previous prime is 652434157. The next prime is 652434163. The reversal of 652434161 is 161434256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 652434161 - 2² = 652434157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652434163) 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 3 ways as a sum of consecutive naturals, for example, 222131 + ... + 225048.

It is an arithmetic number, because the mean of its divisors is an integer number (163220700).

Almost surely, 2^652434161 is an apocalyptic number.

It is an amenable number.

652434161 is a deficient number, since it is larger than the sum of its proper divisors (448639).

652434161 is a wasteful number, since it uses less digits than its factorization.

652434161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448638.

The product of its digits is 17280, while the sum is 32.

The square root of 652434161 is about 25542.7907833111. The cubic root of 652434161 is about 867.3190739629.

The spelling of 652434161 in words is "six hundred fifty-two million, four hundred thirty-four thousand, one hundred sixty-one".