647010653 has 2 divisors, whose sum is σ = 647010654. Its totient is φ = 647010652.

The previous prime is 647010613. The next prime is 647010673. The reversal of 647010653 is 356010746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513792889 + 133217764 = 22667^2 + 11542^2 .

It is a cyclic number.

It is not a de Polignac number, because 647010653 - 2⁶ = 647010589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (647010613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323505326 + 323505327.

It is an arithmetic number, because the mean of its divisors is an integer number (323505327).

Almost surely, 2^647010653 is an apocalyptic number.

It is an amenable number.

647010653 is a deficient number, since it is larger than the sum of its proper divisors (1).

647010653 is an equidigital number, since it uses as much as digits as its factorization.

647010653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 647010653 is about 25436.4040894148. The cubic root of 647010653 is about 864.9091211729.

The spelling of 647010653 in words is "six hundred forty-seven million, ten thousand, six hundred fifty-three".