812657483 has 4 divisors (see below), whose sum is σ = 886535448. Its totient is φ = 738779520.

The previous prime is 812657471. The next prime is 812657507. The reversal of 812657483 is 384756218.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 812657483 - 2¹⁰ = 812656459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812657453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36938966 + ... + 36938987.

It is an arithmetic number, because the mean of its divisors is an integer number (221633862).

Almost surely, 2^812657483 is an apocalyptic number.

812657483 is a deficient number, since it is larger than the sum of its proper divisors (73877965).

812657483 is a wasteful number, since it uses less digits than its factorization.

812657483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73877964.

The product of its digits is 322560, while the sum is 44.

The square root of 812657483 is about 28507.1479281951. The cubic root of 812657483 is about 933.1880732127.

The spelling of 812657483 in words is "eight hundred twelve million, six hundred fifty-seven thousand, four hundred eighty-three".