825434383 has 2 divisors, whose sum is σ = 825434384. Its totient is φ = 825434382.

The previous prime is 825434353. The next prime is 825434411. The reversal of 825434383 is 383434528.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-825434383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825434353) 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, 412717191 + 412717192.

It is an arithmetic number, because the mean of its divisors is an integer number (412717192).

Almost surely, 2^825434383 is an apocalyptic number.

825434383 is a deficient number, since it is larger than the sum of its proper divisors (1).

825434383 is an equidigital number, since it uses as much as digits as its factorization.

825434383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 40.

The square root of 825434383 is about 28730.3738750473. The cubic root of 825434383 is about 938.0533060420.

The spelling of 825434383 in words is "eight hundred twenty-five million, four hundred thirty-four thousand, three hundred eighty-three".