82130433 has 32 divisors (see below), whose sum is σ = 137410560. Its totient is φ = 42389760.

The previous prime is 82130423. The next prime is 82130441. The reversal of 82130433 is 33403128.

It is not a de Polignac number, because 82130433 - 2⁹ = 82129921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82130423) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 37513 + ... + 39641.

It is an arithmetic number, because the mean of its divisors is an integer number (4294080).

Almost surely, 2^82130433 is an apocalyptic number.

It is an amenable number.

82130433 is a deficient number, since it is larger than the sum of its proper divisors (55280127).

82130433 is a wasteful number, since it uses less digits than its factorization.

82130433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 82130433 is about 9062.5842340913. The cubic root of 82130433 is about 434.6783776683.

The spelling of 82130433 in words is "eighty-two million, one hundred thirty thousand, four hundred thirty-three".