82563039 has 24 divisors (see below), whose sum is σ = 129205440. Its totient is φ = 50501952.

The previous prime is 82563011. The next prime is 82563071. The reversal of 82563039 is 93036528.

It is not a de Polignac number, because 82563039 - 2⁸ = 82562783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82562994 and 82563012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82563739) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18202 + ... + 22280.

It is an arithmetic number, because the mean of its divisors is an integer number (5383560).

Almost surely, 2^82563039 is an apocalyptic number.

82563039 is a deficient number, since it is larger than the sum of its proper divisors (46642401).

82563039 is a wasteful number, since it uses less digits than its factorization.

82563039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271 (or 4268 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 82563039 is about 9086.4205823856. The cubic root of 82563039 is about 435.4402360427.

The spelling of 82563039 in words is "eighty-two million, five hundred sixty-three thousand, thirty-nine".