80982001 has 3 divisors (see below), whose sum is σ = 80991001. Its totient is φ = 80973002.

The previous prime is 80981993. The next prime is 80982019. The reversal of 80982001 is 10028908.

The square root of 80982001 is 8999.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 80982001 - 2³ = 80981993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80982061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4500 + ... + 13498.

Almost surely, 2^80982001 is an apocalyptic number.

80982001 is the 8999-th square number.

80982001 is the 4500-th centered octagonal number.

It is an amenable number.

80982001 is a deficient number, since it is larger than the sum of its proper divisors (9000).

80982001 is an frugal number, since it uses more digits than its factorization.

80982001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17998 (or 8999 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The cubic root of 80982001 is about 432.6428205082.

It can be divided in two parts, 80 and 982001, that added together give a square (982081 = 991²).

The spelling of 80982001 in words is "eighty million, nine hundred eighty-two thousand, one".