82453018 has 4 divisors (see below), whose sum is σ = 123679530. Its totient is φ = 41226508.

The previous prime is 82452991. The next prime is 82453051. The reversal of 82453018 is 81035428.

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

It can be written as a sum of positive squares in only one way, i.e., 81486729 + 966289 = 9027^2 + 983^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20613253 + ... + 20613256.

Almost surely, 2^82453018 is an apocalyptic number.

82453018 is a deficient number, since it is larger than the sum of its proper divisors (41226512).

82453018 is a wasteful number, since it uses less digits than its factorization.

82453018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41226511.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 82453018 is about 9080.3644199999. The cubic root of 82453018 is about 435.2467319170.

The spelling of 82453018 in words is "eighty-two million, four hundred fifty-three thousand, eighteen".