82904293 has 2 divisors, whose sum is σ = 82904294. Its totient is φ = 82904292.

The previous prime is 82904281. The next prime is 82904299. The reversal of 82904293 is 39240928.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82410084 + 494209 = 9078^2 + 703^2 .

It is a cyclic number.

It is not a de Polignac number, because 82904293 - 2²¹ = 80807141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82904299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41452146 + 41452147.

It is an arithmetic number, because the mean of its divisors is an integer number (41452147).

Almost surely, 2^82904293 is an apocalyptic number.

It is an amenable number.

82904293 is a deficient number, since it is larger than the sum of its proper divisors (1).

82904293 is an equidigital number, since it uses as much as digits as its factorization.

82904293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 82904293 is about 9105.1794600656. The cubic root of 82904293 is about 436.0393397295.

The spelling of 82904293 in words is "eighty-two million, nine hundred four thousand, two hundred ninety-three".