82537445 has 4 divisors (see below), whose sum is σ = 99044940. Its totient is φ = 66029952.

The previous prime is 82537391. The next prime is 82537457. The reversal of 82537445 is 54473528.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51523684 + 31013761 = 7178^2 + 5569^2 .

It is a cyclic number.

It is not a de Polignac number, because 82537445 - 2²⁴ = 65760229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82537399 and 82537408.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8253740 + ... + 8253749.

It is an arithmetic number, because the mean of its divisors is an integer number (24761235).

Almost surely, 2^82537445 is an apocalyptic number.

It is an amenable number.

82537445 is a deficient number, since it is larger than the sum of its proper divisors (16507495).

82537445 is a wasteful number, since it uses less digits than its factorization.

82537445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16507494.

The product of its digits is 134400, while the sum is 38.

The square root of 82537445 is about 9085.0121078620. The cubic root of 82537445 is about 435.3952368545.

The spelling of 82537445 in words is "eighty-two million, five hundred thirty-seven thousand, four hundred forty-five".