825270443 has 2 divisors, whose sum is σ = 825270444. Its totient is φ = 825270442.

The previous prime is 825270421. The next prime is 825270449. The reversal of 825270443 is 344072528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 825270443 - 2²⁸ = 556834987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (825270449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412635221 + 412635222.

It is an arithmetic number, because the mean of its divisors is an integer number (412635222).

Almost surely, 2^825270443 is an apocalyptic number.

825270443 is a deficient number, since it is larger than the sum of its proper divisors (1).

825270443 is an equidigital number, since it uses as much as digits as its factorization.

825270443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 825270443 is about 28727.5206552880. The cubic root of 825270443 is about 937.9911994937.

The spelling of 825270443 in words is "eight hundred twenty-five million, two hundred seventy thousand, four hundred forty-three".