783253973 has 2 divisors, whose sum is σ = 783253974. Its totient is φ = 783253972.

The previous prime is 783253949. The next prime is 783254033. The reversal of 783253973 is 379352387.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 619362769 + 163891204 = 24887^2 + 12802^2 .

It is an emirp because it is prime and its reverse (379352387) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 783253973 - 2⁶ = 783253909 is a prime.

It is a super-2 number, since 2×783253973² = 1226973572440569458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (783253943) 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, 391626986 + 391626987.

It is an arithmetic number, because the mean of its divisors is an integer number (391626987).

Almost surely, 2^783253973 is an apocalyptic number.

It is an amenable number.

783253973 is a deficient number, since it is larger than the sum of its proper divisors (1).

783253973 is an equidigital number, since it uses as much as digits as its factorization.

783253973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 47.

The square root of 783253973 is about 27986.6749186108. The cubic root of 783253973 is about 921.7946902565.

The spelling of 783253973 in words is "seven hundred eighty-three million, two hundred fifty-three thousand, nine hundred seventy-three".