961800319 has 2 divisors, whose sum is σ = 961800320. Its totient is φ = 961800318.

The previous prime is 961800317. The next prime is 961800377. The reversal of 961800319 is 913008169.

It is a weak prime.

It is an emirp because it is prime and its reverse (913008169) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 961800319 - 2¹ = 961800317 is a prime.

It is a super-2 number, since 2×961800319² = 1850119707257003522, which contains 22 as substring.

Together with 961800317, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961800317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480900159 + 480900160.

It is an arithmetic number, because the mean of its divisors is an integer number (480900160).

Almost surely, 2^961800319 is an apocalyptic number.

961800319 is a deficient number, since it is larger than the sum of its proper divisors (1).

961800319 is an equidigital number, since it uses as much as digits as its factorization.

961800319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 961800319 is about 31012.9056845694. The cubic root of 961800319 is about 987.1011069365.

The spelling of 961800319 in words is "nine hundred sixty-one million, eight hundred thousand, three hundred nineteen".