652289749 has 2 divisors, whose sum is σ = 652289750. Its totient is φ = 652289748.

The previous prime is 652289731. The next prime is 652289767. The reversal of 652289749 is 947982256.

652289749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (652289731) and next prime (652289767).

It can be written as a sum of positive squares in only one way, i.e., 429235524 + 223054225 = 20718^2 + 14935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652289749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 652289696 and 652289705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652289719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326144874 + 326144875.

It is an arithmetic number, because the mean of its divisors is an integer number (326144875).

Almost surely, 2^652289749 is an apocalyptic number.

It is an amenable number.

652289749 is a deficient number, since it is larger than the sum of its proper divisors (1).

652289749 is an equidigital number, since it uses as much as digits as its factorization.

652289749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The square root of 652289749 is about 25539.9637626994. The cubic root of 652289749 is about 867.2550774547.

The spelling of 652289749 in words is "six hundred fifty-two million, two hundred eighty-nine thousand, seven hundred forty-nine".