319956653 has 2 divisors, whose sum is σ = 319956654. Its totient is φ = 319956652.

The previous prime is 319956647. The next prime is 319956667. The reversal of 319956653 is 356659913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299913124 + 20043529 = 17318^2 + 4477^2 .

It is a cyclic number.

It is not a de Polignac number, because 319956653 - 2⁸ = 319956397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 319956598 and 319956607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319956253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159978326 + 159978327.

It is an arithmetic number, because the mean of its divisors is an integer number (159978327).

Almost surely, 2^319956653 is an apocalyptic number.

It is an amenable number.

319956653 is a deficient number, since it is larger than the sum of its proper divisors (1).

319956653 is an equidigital number, since it uses as much as digits as its factorization.

319956653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 656100, while the sum is 47.

The square root of 319956653 is about 17887.3321934826. The cubic root of 319956653 is about 683.9594929730.

The spelling of 319956653 in words is "three hundred nineteen million, nine hundred fifty-six thousand, six hundred fifty-three".