785141249 has 2 divisors, whose sum is σ = 785141250. Its totient is φ = 785141248.

The previous prime is 785141197. The next prime is 785141323. The reversal of 785141249 is 942141587.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490401025 + 294740224 = 22145^2 + 17168^2 .

It is a cyclic number.

It is not a de Polignac number, because 785141249 - 2¹² = 785137153 is a prime.

It is not a weakly prime, because it can be changed into another prime (785141449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392570624 + 392570625.

It is an arithmetic number, because the mean of its divisors is an integer number (392570625).

Almost surely, 2^785141249 is an apocalyptic number.

It is an amenable number.

785141249 is a deficient number, since it is larger than the sum of its proper divisors (1).

785141249 is an equidigital number, since it uses as much as digits as its factorization.

785141249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 41.

The square root of 785141249 is about 28020.3720353603. The cubic root of 785141249 is about 922.5344611995.

The spelling of 785141249 in words is "seven hundred eighty-five million, one hundred forty-one thousand, two hundred forty-nine".