82580030 has 32 divisors (see below), whose sum is σ = 160489728. Its totient is φ = 30412800.

The previous prime is 82580021. The next prime is 82580053. The reversal of 82580030 is 3008528.

It is a super-2 number, since 2×82580030² = 13638922709601800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 82835 + ... + 83825.

It is an arithmetic number, because the mean of its divisors is an integer number (5015304).

Almost surely, 2^82580030 is an apocalyptic number.

82580030 is a deficient number, since it is larger than the sum of its proper divisors (77909698).

82580030 is a wasteful number, since it uses less digits than its factorization.

82580030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 82580030 is about 9087.3555009144. The cubic root of 82580030 is about 435.4701043618.

Adding to 82580030 its reverse (3008528), we get a palindrome (85588558).

The spelling of 82580030 in words is "eighty-two million, five hundred eighty thousand, thirty".