82563270 has 16 divisors (see below), whose sum is σ = 198151920. Its totient is φ = 22016864.

The previous prime is 82563263. The next prime is 82563289. The reversal of 82563270 is 7236528.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376025 + ... + 1376084.

It is an arithmetic number, because the mean of its divisors is an integer number (12384495).

Almost surely, 2^82563270 is an apocalyptic number.

82563270 is an abundant number, since it is smaller than the sum of its proper divisors (115588650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82563270 is a wasteful number, since it uses less digits than its factorization.

82563270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752119.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 82563270 is about 9086.4332936527. The cubic root of 82563270 is about 435.4406421429.

Adding to 82563270 its reverse (7236528), we get a palindrome (89799798).

The spelling of 82563270 in words is "eighty-two million, five hundred sixty-three thousand, two hundred seventy".