82582149 has 16 divisors (see below), whose sum is σ = 121105152. Its totient is φ = 49737408.

The previous prime is 82582139. The next prime is 82582153. The reversal of 82582149 is 94128528.

It is not a de Polignac number, because 82582149 - 2⁴ = 82582133 is a prime.

It is a super-2 number, since 2×82582149² = 13639622666916402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82582139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20694 + ... + 24359.

It is an arithmetic number, because the mean of its divisors is an integer number (7569072).

Almost surely, 2^82582149 is an apocalyptic number.

It is an amenable number.

82582149 is a deficient number, since it is larger than the sum of its proper divisors (38523003).

82582149 is a wasteful number, since it uses less digits than its factorization.

82582149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45116.

The product of its digits is 46080, while the sum is 39.

The square root of 82582149 is about 9087.4720907412. The cubic root of 82582149 is about 435.4738290446.

The spelling of 82582149 in words is "eighty-two million, five hundred eighty-two thousand, one hundred forty-nine".