82725047 has 2 divisors, whose sum is σ = 82725048. Its totient is φ = 82725046.

The previous prime is 82725037. The next prime is 82725053. The reversal of 82725047 is 74052728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82725047 - 2¹⁴ = 82708663 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 82724998 and 82725016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82725037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41362523 + 41362524.

It is an arithmetic number, because the mean of its divisors is an integer number (41362524).

Almost surely, 2^82725047 is an apocalyptic number.

82725047 is a deficient number, since it is larger than the sum of its proper divisors (1).

82725047 is an equidigital number, since it uses as much as digits as its factorization.

82725047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 82725047 is about 9095.3310549974. The cubic root of 82725047 is about 435.7248618310.

The spelling of 82725047 in words is "eighty-two million, seven hundred twenty-five thousand, forty-seven".