660246053 has 2 divisors, whose sum is σ = 660246054. Its totient is φ = 660246052.

The previous prime is 660246011. The next prime is 660246061. The reversal of 660246053 is 350642066.

660246053 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., 472062529 + 188183524 = 21727^2 + 13718^2 .

It is a cyclic number.

It is not a de Polignac number, because 660246053 - 2²² = 656051749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (660296053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330123026 + 330123027.

It is an arithmetic number, because the mean of its divisors is an integer number (330123027).

Almost surely, 2^660246053 is an apocalyptic number.

It is an amenable number.

660246053 is a deficient number, since it is larger than the sum of its proper divisors (1).

660246053 is an equidigital number, since it uses as much as digits as its factorization.

660246053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 660246053 is about 25695.2535111059. The cubic root of 660246053 is about 870.7669517364.

The spelling of 660246053 in words is "six hundred sixty million, two hundred forty-six thousand, fifty-three".