652451539 has 2 divisors, whose sum is σ = 652451540. Its totient is φ = 652451538.

The previous prime is 652451537. The next prime is 652451563. The reversal of 652451539 is 935154256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 652451539 - 2¹ = 652451537 is a prime.

Together with 652451537, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (652451537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326225769 + 326225770.

It is an arithmetic number, because the mean of its divisors is an integer number (326225770).

Almost surely, 2^652451539 is an apocalyptic number.

652451539 is a deficient number, since it is larger than the sum of its proper divisors (1).

652451539 is an equidigital number, since it uses as much as digits as its factorization.

652451539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162000, while the sum is 40.

The square root of 652451539 is about 25543.1309553077. The cubic root of 652451539 is about 867.3267744268.

The spelling of 652451539 in words is "six hundred fifty-two million, four hundred fifty-one thousand, five hundred thirty-nine".