82825049 has 4 divisors (see below), whose sum is σ = 83258880. Its totient is φ = 82391220.

The previous prime is 82825033. The next prime is 82825063. The reversal of 82825049 is 94052828.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82825049 - 2⁴ = 82825033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82825019) 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, 216629 + ... + 217010.

It is an arithmetic number, because the mean of its divisors is an integer number (20814720).

Almost surely, 2^82825049 is an apocalyptic number.

It is an amenable number.

82825049 is a deficient number, since it is larger than the sum of its proper divisors (433831).

82825049 is a wasteful number, since it uses less digits than its factorization.

82825049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433830.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 82825049 is about 9100.8268305687. The cubic root of 82825049 is about 435.9003661599.

It can be divided in two parts, 8282 and 5049, that added together give a palindrome (13331).

The spelling of 82825049 in words is "eighty-two million, eight hundred twenty-five thousand, forty-nine".