82207949 has 2 divisors, whose sum is σ = 82207950. Its totient is φ = 82207948.

The previous prime is 82207943. The next prime is 82207967. The reversal of 82207949 is 94970228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49603849 + 32604100 = 7043^2 + 5710^2 .

It is a cyclic number.

It is not a de Polignac number, because 82207949 - 2⁴ = 82207933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82207943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41103974 + 41103975.

It is an arithmetic number, because the mean of its divisors is an integer number (41103975).

Almost surely, 2^82207949 is an apocalyptic number.

It is an amenable number.

82207949 is a deficient number, since it is larger than the sum of its proper divisors (1).

82207949 is an equidigital number, since it uses as much as digits as its factorization.

82207949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 82207949 is about 9066.8599305382. The cubic root of 82207949 is about 434.8150867743.

The spelling of 82207949 in words is "eighty-two million, two hundred seven thousand, nine hundred forty-nine".