619248313 has 2 divisors, whose sum is σ = 619248314. Its totient is φ = 619248312.

The previous prime is 619248263. The next prime is 619248337. The reversal of 619248313 is 313842916.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 606489129 + 12759184 = 24627^2 + 3572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-619248313 is a prime.

It is not a weakly prime, because it can be changed into another prime (619248353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309624156 + 309624157.

It is an arithmetic number, because the mean of its divisors is an integer number (309624157).

Almost surely, 2^619248313 is an apocalyptic number.

It is an amenable number.

619248313 is a deficient number, since it is larger than the sum of its proper divisors (1).

619248313 is an equidigital number, since it uses as much as digits as its factorization.

619248313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 619248313 is about 24884.7003799523. The cubic root of 619248313 is about 852.3571541661.

The spelling of 619248313 in words is "six hundred nineteen million, two hundred forty-eight thousand, three hundred thirteen".