813546983 has 2 divisors, whose sum is σ = 813546984. Its totient is φ = 813546982.

The previous prime is 813546941. The next prime is 813546989. The reversal of 813546983 is 389645318.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 813546983 - 2²⁸ = 545111527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (813546989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406773491 + 406773492.

It is an arithmetic number, because the mean of its divisors is an integer number (406773492).

Almost surely, 2^813546983 is an apocalyptic number.

813546983 is a deficient number, since it is larger than the sum of its proper divisors (1).

813546983 is an equidigital number, since it uses as much as digits as its factorization.

813546983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 813546983 is about 28522.7450116569. The cubic root of 813546983 is about 933.5284249349.

The spelling of 813546983 in words is "eight hundred thirteen million, five hundred forty-six thousand, nine hundred eighty-three".