612664753 has 2 divisors, whose sum is σ = 612664754. Its totient is φ = 612664752.

The previous prime is 612664729. The next prime is 612664769. The reversal of 612664753 is 357466216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 612661504 + 3249 = 24752^2 + 57^2 .

It is a cyclic number.

It is not a de Polignac number, because 612664753 - 2⁵ = 612664721 is a prime.

It is not a weakly prime, because it can be changed into another prime (612664783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306332376 + 306332377.

It is an arithmetic number, because the mean of its divisors is an integer number (306332377).

Almost surely, 2^612664753 is an apocalyptic number.

It is an amenable number.

612664753 is a deficient number, since it is larger than the sum of its proper divisors (1).

612664753 is an equidigital number, since it uses as much as digits as its factorization.

612664753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 612664753 is about 24752.0656309731. The cubic root of 612664753 is about 849.3257642871.

The spelling of 612664753 in words is "six hundred twelve million, six hundred sixty-four thousand, seven hundred fifty-three".