81192483 has 8 divisors (see below), whose sum is σ = 120285200. Its totient is φ = 54128304.

The previous prime is 81192481. The next prime is 81192499. The reversal of 81192483 is 38429118.

It is not a de Polignac number, because 81192483 - 2¹ = 81192481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (81192481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1503538 + ... + 1503591.

It is an arithmetic number, because the mean of its divisors is an integer number (15035650).

Almost surely, 2^81192483 is an apocalyptic number.

81192483 is a deficient number, since it is larger than the sum of its proper divisors (39092717).

81192483 is a wasteful number, since it uses less digits than its factorization.

81192483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007138 (or 3007132 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 81192483 is about 9010.6871547069. The cubic root of 81192483 is about 433.0173265454.

The spelling of 81192483 in words is "eighty-one million, one hundred ninety-two thousand, four hundred eighty-three".