82575761 has 4 divisors (see below), whose sum is σ = 83929524. Its totient is φ = 81222000.

The previous prime is 82575739. The next prime is 82575799. The reversal of 82575761 is 16757528.

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 36675136 + 45900625 = 6056^2 + 6775^2 .

It is a cyclic number.

It is not a de Polignac number, because 82575761 - 2¹⁴ = 82559377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82572761) 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, 676790 + ... + 676911.

It is an arithmetic number, because the mean of its divisors is an integer number (20982381).

Almost surely, 2^82575761 is an apocalyptic number.

It is an amenable number.

82575761 is a deficient number, since it is larger than the sum of its proper divisors (1353763).

82575761 is a wasteful number, since it uses less digits than its factorization.

82575761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353762.

The product of its digits is 117600, while the sum is 41.

The square root of 82575761 is about 9087.1206110627. The cubic root of 82575761 is about 435.4626003122.

The spelling of 82575761 in words is "eighty-two million, five hundred seventy-five thousand, seven hundred sixty-one".