82551334 has 4 divisors (see below), whose sum is σ = 123827004. Its totient is φ = 41275666.

The previous prime is 82551331. The next prime is 82551367. The reversal of 82551334 is 43315528.

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

It is a junction number, because it is equal to n+sod(n) for n = 82551296 and 82551305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82551331) 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, 20637832 + ... + 20637835.

It is an arithmetic number, because the mean of its divisors is an integer number (30956751).

Almost surely, 2^82551334 is an apocalyptic number.

82551334 is a deficient number, since it is larger than the sum of its proper divisors (41275670).

82551334 is a wasteful number, since it uses less digits than its factorization.

82551334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41275669.

The product of its digits is 14400, while the sum is 31.

The square root of 82551334 is about 9085.7764665437. The cubic root of 82551334 is about 435.4196575494.

The spelling of 82551334 in words is "eighty-two million, five hundred fifty-one thousand, three hundred thirty-four".