82449254 has 4 divisors (see below), whose sum is σ = 123673884. Its totient is φ = 41224626.

The previous prime is 82449253. The next prime is 82449259. The reversal of 82449254 is 45294428.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82449251) by changing a digit.

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 as a sum of consecutive naturals, namely, 20612312 + ... + 20612315.

It is an arithmetic number, because the mean of its divisors is an integer number (30918471).

Almost surely, 2^82449254 is an apocalyptic number.

82449254 is a deficient number, since it is larger than the sum of its proper divisors (41224630).

82449254 is a wasteful number, since it uses less digits than its factorization.

82449254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41224629.

The product of its digits is 92160, while the sum is 38.

The square root of 82449254 is about 9080.1571572303. The cubic root of 82449254 is about 435.2401087770.

The spelling of 82449254 in words is "eighty-two million, four hundred forty-nine thousand, two hundred fifty-four".