653206459 has 2 divisors, whose sum is σ = 653206460. Its totient is φ = 653206458.

The previous prime is 653206457. The next prime is 653206501. The reversal of 653206459 is 954602356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653206459 - 2¹ = 653206457 is a prime.

Together with 653206457, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (653206451) 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, 326603229 + 326603230.

It is an arithmetic number, because the mean of its divisors is an integer number (326603230).

Almost surely, 2^653206459 is an apocalyptic number.

653206459 is a deficient number, since it is larger than the sum of its proper divisors (1).

653206459 is an equidigital number, since it uses as much as digits as its factorization.

653206459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 653206459 is about 25557.9040416072. The cubic root of 653206459 is about 867.6611593941.

The spelling of 653206459 in words is "six hundred fifty-three million, two hundred six thousand, four hundred fifty-nine".