82303019 has 4 divisors (see below), whose sum is σ = 82373544. Its totient is φ = 82232496.

The previous prime is 82302991. The next prime is 82303021. The reversal of 82303019 is 91030328.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82303019 is a prime.

It is a super-2 number, since 2×82303019² = 13547573873028722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82303519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33482 + ... + 35855.

It is an arithmetic number, because the mean of its divisors is an integer number (20593386).

Almost surely, 2^82303019 is an apocalyptic number.

82303019 is a deficient number, since it is larger than the sum of its proper divisors (70525).

82303019 is a wasteful number, since it uses less digits than its factorization.

82303019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70524.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 82303019 is about 9072.1011347978. The cubic root of 82303019 is about 434.9826372600.

The spelling of 82303019 in words is "eighty-two million, three hundred three thousand, nineteen".