82563243 has 32 divisors (see below), whose sum is σ = 131473920. Its totient is φ = 45100800.

The previous prime is 82563223. The next prime is 82563251. The reversal of 82563243 is 34236528.

It is a happy number.

It is not a de Polignac number, because 82563243 - 2⁵ = 82563211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82563223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44943 + ... + 46743.

It is an arithmetic number, because the mean of its divisors is an integer number (4108560).

Almost surely, 2^82563243 is an apocalyptic number.

82563243 is a deficient number, since it is larger than the sum of its proper divisors (48910677).

82563243 is a wasteful number, since it uses less digits than its factorization.

82563243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907.

The product of its digits is 34560, while the sum is 33.

The square root of 82563243 is about 9086.4318079211. The cubic root of 82563243 is about 435.4405946767.

The spelling of 82563243 in words is "eighty-two million, five hundred sixty-three thousand, two hundred forty-three".