611748653 has 2 divisors, whose sum is σ = 611748654. Its totient is φ = 611748652.

The previous prime is 611748611. The next prime is 611748667. The reversal of 611748653 is 356847116.

611748653 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., 610979524 + 769129 = 24718^2 + 877^2 .

It is a cyclic number.

It is not a de Polignac number, because 611748653 - 2⁶ = 611748589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 611748653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611748673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305874326 + 305874327.

It is an arithmetic number, because the mean of its divisors is an integer number (305874327).

Almost surely, 2^611748653 is an apocalyptic number.

It is an amenable number.

611748653 is a deficient number, since it is larger than the sum of its proper divisors (1).

611748653 is an equidigital number, since it uses as much as digits as its factorization.

611748653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 611748653 is about 24733.5531818621. The cubic root of 611748653 is about 848.9022289803.

The spelling of 611748653 in words is "six hundred eleven million, seven hundred forty-eight thousand, six hundred fifty-three".