83571265 has 8 divisors (see below), whose sum is σ = 100335528. Its totient is φ = 66823680.

The previous prime is 83571227. The next prime is 83571277. The reversal of 83571265 is 56217538.

It can be written as a sum of positive squares in 4 ways, for example, as 21224449 + 62346816 = 4607^2 + 7896^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83571265 - 2¹¹ = 83569217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14319 + ... + 19291.

It is an arithmetic number, because the mean of its divisors is an integer number (12541941).

Almost surely, 2^83571265 is an apocalyptic number.

It is an amenable number.

83571265 is a deficient number, since it is larger than the sum of its proper divisors (16764263).

83571265 is a wasteful number, since it uses less digits than its factorization.

83571265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8339.

The product of its digits is 50400, while the sum is 37.

The square root of 83571265 is about 9141.7320568916. The cubic root of 83571265 is about 437.2055422690.

The spelling of 83571265 in words is "eighty-three million, five hundred seventy-one thousand, two hundred sixty-five".