82542473 has 6 divisors (see below), whose sum is σ = 89380494. Its totient is φ = 76192896.

The previous prime is 82542461. The next prime is 82542503. The reversal of 82542473 is 37424528.

It can be written as a sum of positive squares in 3 ways, for example, as 150544 + 82391929 = 388^2 + 9077^2 .

It is not a de Polignac number, because 82542473 - 2⁴ = 82542457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82542443) 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 5 ways as a sum of consecutive naturals, for example, 244040 + ... + 244377.

It is an arithmetic number, because the mean of its divisors is an integer number (14896749).

Almost surely, 2^82542473 is an apocalyptic number.

It is an amenable number.

82542473 is a deficient number, since it is larger than the sum of its proper divisors (6838021).

82542473 is a wasteful number, since it uses less digits than its factorization.

82542473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488443 (or 488430 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 82542473 is about 9085.2888231470. The cubic root of 82542473 is about 435.4040777824.

The spelling of 82542473 in words is "eighty-two million, five hundred forty-two thousand, four hundred seventy-three".