82045049 has 2 divisors, whose sum is σ = 82045050. Its totient is φ = 82045048.

The previous prime is 82045013. The next prime is 82045069. The reversal of 82045049 is 94054028.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65723449 + 16321600 = 8107^2 + 4040^2 .

It is a cyclic number.

It is not a de Polignac number, because 82045049 - 2²⁰ = 80996473 is a prime.

It is not a weakly prime, because it can be changed into another prime (82045069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41022524 + 41022525.

It is an arithmetic number, because the mean of its divisors is an integer number (41022525).

Almost surely, 2^82045049 is an apocalyptic number.

It is an amenable number.

82045049 is a deficient number, since it is larger than the sum of its proper divisors (1).

82045049 is an equidigital number, since it uses as much as digits as its factorization.

82045049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 82045049 is about 9057.8722115075. The cubic root of 82045049 is about 434.5276927707.

The spelling of 82045049 in words is "eighty-two million, forty-five thousand, forty-nine".