652731641 has 2 divisors, whose sum is σ = 652731642. Its totient is φ = 652731640.

The previous prime is 652731587. The next prime is 652731649. The reversal of 652731641 is 146137256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 406869241 + 245862400 = 20171^2 + 15680^2 .

It is a cyclic number.

It is not a de Polignac number, because 652731641 - 2¹⁴ = 652715257 is a prime.

It is not a weakly prime, because it can be changed into another prime (652731649) by changing a digit.

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, 326365820 + 326365821.

It is an arithmetic number, because the mean of its divisors is an integer number (326365821).

Almost surely, 2^652731641 is an apocalyptic number.

It is an amenable number.

652731641 is a deficient number, since it is larger than the sum of its proper divisors (1).

652731641 is an equidigital number, since it uses as much as digits as its factorization.

652731641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 652731641 is about 25548.6132891787. The cubic root of 652731641 is about 867.4508731492.

Adding to 652731641 its reverse (146137256), we get a palindrome (798868897).

The spelling of 652731641 in words is "six hundred fifty-two million, seven hundred thirty-one thousand, six hundred forty-one".