82534261 has 4 divisors (see below), whose sum is σ = 85380300. Its totient is φ = 79688224.

The previous prime is 82534253. The next prime is 82534267. The reversal of 82534261 is 16243528.

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 38564100 + 43970161 = 6210^2 + 6631^2 .

It is a cyclic number.

It is not a de Polignac number, because 82534261 - 2³ = 82534253 is a prime.

It is a super-2 number, since 2×82534261² = 13623808477632242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82534267) 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, 1422976 + ... + 1423033.

It is an arithmetic number, because the mean of its divisors is an integer number (21345075).

Almost surely, 2^82534261 is an apocalyptic number.

It is an amenable number.

82534261 is a deficient number, since it is larger than the sum of its proper divisors (2846039).

82534261 is a wasteful number, since it uses less digits than its factorization.

82534261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846038.

The product of its digits is 11520, while the sum is 31.

The square root of 82534261 is about 9084.8368725035. The cubic root of 82534261 is about 435.3896381178.

Adding to 82534261 its reverse (16243528), we get a palindrome (98777789).

The spelling of 82534261 in words is "eighty-two million, five hundred thirty-four thousand, two hundred sixty-one".