653299109 has 2 divisors, whose sum is σ = 653299110. Its totient is φ = 653299108.

The previous prime is 653299063. The next prime is 653299123. The reversal of 653299109 is 901992356.

653299109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398800900 + 254498209 = 19970^2 + 15953^2 .

It is a cyclic number.

It is not a de Polignac number, because 653299109 - 2⁸ = 653298853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 653299109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653299609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326649554 + 326649555.

It is an arithmetic number, because the mean of its divisors is an integer number (326649555).

Almost surely, 2^653299109 is an apocalyptic number.

It is an amenable number.

653299109 is a deficient number, since it is larger than the sum of its proper divisors (1).

653299109 is an equidigital number, since it uses as much as digits as its factorization.

653299109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 44.

The square root of 653299109 is about 25559.7165281620. The cubic root of 653299109 is about 867.7021801183.

The spelling of 653299109 in words is "six hundred fifty-three million, two hundred ninety-nine thousand, one hundred nine".