82582251 has 4 divisors (see below), whose sum is σ = 110109672. Its totient is φ = 55054832.

The previous prime is 82582249. The next prime is 82582267. The reversal of 82582251 is 15228528.

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

It is a cyclic number.

It is not a de Polignac number, because 82582251 - 2¹ = 82582249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82584251) 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, 13763706 + ... + 13763711.

It is an arithmetic number, because the mean of its divisors is an integer number (27527418).

Almost surely, 2^82582251 is an apocalyptic number.

82582251 is a deficient number, since it is larger than the sum of its proper divisors (27527421).

82582251 is a wasteful number, since it uses less digits than its factorization.

82582251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27527420.

The product of its digits is 12800, while the sum is 33.

The square root of 82582251 is about 9087.4777028612. The cubic root of 82582251 is about 435.4740083340.

The spelling of 82582251 in words is "eighty-two million, five hundred eighty-two thousand, two hundred fifty-one".