82525045 has 4 divisors (see below), whose sum is σ = 99030060. Its totient is φ = 66020032.

The previous prime is 82525043. The next prime is 82525049. The reversal of 82525045 is 54052528.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15186609 + 67338436 = 3897^2 + 8206^2 .

It is a cyclic number.

It is not a de Polignac number, because 82525045 - 2¹ = 82525043 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 82524998 and 82525016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82525043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8252500 + ... + 8252509.

It is an arithmetic number, because the mean of its divisors is an integer number (24757515).

Almost surely, 2^82525045 is an apocalyptic number.

It is an amenable number.

82525045 is a deficient number, since it is larger than the sum of its proper divisors (16505015).

82525045 is a wasteful number, since it uses less digits than its factorization.

82525045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16505014.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 82525045 is about 9084.3296395496. The cubic root of 82525045 is about 435.3734319176.

The spelling of 82525045 in words is "eighty-two million, five hundred twenty-five thousand, forty-five".