652040629 has 2 divisors, whose sum is σ = 652040630. Its totient is φ = 652040628.

The previous prime is 652040569. The next prime is 652040687. The reversal of 652040629 is 926040256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344844900 + 307195729 = 18570^2 + 17527^2 .

It is a cyclic number.

It is not a de Polignac number, because 652040629 - 2²¹ = 649943477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 652040594 and 652040603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652040699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326020314 + 326020315.

It is an arithmetic number, because the mean of its divisors is an integer number (326020315).

Almost surely, 2^652040629 is an apocalyptic number.

It is an amenable number.

652040629 is a deficient number, since it is larger than the sum of its proper divisors (1).

652040629 is an equidigital number, since it uses as much as digits as its factorization.

652040629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 652040629 is about 25535.0862344344. The cubic root of 652040629 is about 867.1446571518.

The spelling of 652040629 in words is "six hundred fifty-two million, forty thousand, six hundred twenty-nine".