652321361242 has 4 divisors (see below), whose sum is σ = 978482041866. Its totient is φ = 326160680620.

The previous prime is 652321361231. The next prime is 652321361269. The reversal of 652321361242 is 242163123256.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 612257735961 + 40063625281 = 782469^2 + 200159^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163080340309 + ... + 163080340312.

Almost surely, 2^652321361242 is an apocalyptic number.

652321361242 is a deficient number, since it is larger than the sum of its proper divisors (326160680624).

652321361242 is a wasteful number, since it uses less digits than its factorization.

652321361242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326160680623.

The product of its digits is 103680, while the sum is 37.

Adding to 652321361242 its reverse (242163123256), we get a palindrome (894484484498).

The spelling of 652321361242 in words is "six hundred fifty-two billion, three hundred twenty-one million, three hundred sixty-one thousand, two hundred forty-two".