825674959 has 2 divisors, whose sum is σ = 825674960. Its totient is φ = 825674958.

The previous prime is 825674947. The next prime is 825674977. The reversal of 825674959 is 959476528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 825674959 - 2⁷ = 825674831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825674909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412837479 + 412837480.

It is an arithmetic number, because the mean of its divisors is an integer number (412837480).

Almost surely, 2^825674959 is an apocalyptic number.

825674959 is a deficient number, since it is larger than the sum of its proper divisors (1).

825674959 is an equidigital number, since it uses as much as digits as its factorization.

825674959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 55.

The square root of 825674959 is about 28734.5603585647. The cubic root of 825674959 is about 938.1444302614.

The spelling of 825674959 in words is "eight hundred twenty-five million, six hundred seventy-four thousand, nine hundred fifty-nine".