863483573 has 2 divisors, whose sum is σ = 863483574. Its totient is φ = 863483572.

The previous prime is 863483563. The next prime is 863483581. The reversal of 863483573 is 375384368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 833650129 + 29833444 = 28873^2 + 5462^2 .

It is a cyclic number.

It is not a de Polignac number, because 863483573 - 2⁸ = 863483317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (863483563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431741786 + 431741787.

It is an arithmetic number, because the mean of its divisors is an integer number (431741787).

Almost surely, 2^863483573 is an apocalyptic number.

It is an amenable number.

863483573 is a deficient number, since it is larger than the sum of its proper divisors (1).

863483573 is an equidigital number, since it uses as much as digits as its factorization.

863483573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 47.

The square root of 863483573 is about 29385.0909986680. The cubic root of 863483573 is about 952.2508302206.

The spelling of 863483573 in words is "eight hundred sixty-three million, four hundred eighty-three thousand, five hundred seventy-three".