82273951 has 2 divisors, whose sum is σ = 82273952. Its totient is φ = 82273950.

The previous prime is 82273937. The next prime is 82273973. The reversal of 82273951 is 15937228.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82273951 - 2¹⁹ = 81749663 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82273951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82273901) 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 as a sum of consecutive naturals, namely, 41136975 + 41136976.

It is an arithmetic number, because the mean of its divisors is an integer number (41136976).

Almost surely, 2^82273951 is an apocalyptic number.

82273951 is a deficient number, since it is larger than the sum of its proper divisors (1).

82273951 is an equidigital number, since it uses as much as digits as its factorization.

82273951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 82273951 is about 9070.4989388677. The cubic root of 82273951 is about 434.9314217870.

The spelling of 82273951 in words is "eighty-two million, two hundred seventy-three thousand, nine hundred fifty-one".