825369943 has 2 divisors, whose sum is σ = 825369944. Its totient is φ = 825369942.

The previous prime is 825369931. The next prime is 825369949. The reversal of 825369943 is 349963528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 825369943 - 2¹³ = 825361751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825369949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412684971 + 412684972.

It is an arithmetic number, because the mean of its divisors is an integer number (412684972).

Almost surely, 2^825369943 is an apocalyptic number.

825369943 is a deficient number, since it is larger than the sum of its proper divisors (1).

825369943 is an equidigital number, since it uses as much as digits as its factorization.

825369943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 49.

The square root of 825369943 is about 28729.2523919437. The cubic root of 825369943 is about 938.0288947626.

The spelling of 825369943 in words is "eight hundred twenty-five million, three hundred sixty-nine thousand, nine hundred forty-three".