1825493933 has 2 divisors, whose sum is σ = 1825493934. Its totient is φ = 1825493932.

The previous prime is 1825493759. The next prime is 1825493939. The reversal of 1825493933 is 3393945281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1182465769 + 643028164 = 34387^2 + 25358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1825493933 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1825493939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 912746966 + 912746967.

It is an arithmetic number, because the mean of its divisors is an integer number (912746967).

Almost surely, 2^1825493933 is an apocalyptic number.

It is an amenable number.

1825493933 is a deficient number, since it is larger than the sum of its proper divisors (1).

1825493933 is an equidigital number, since it uses as much as digits as its factorization.

1825493933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 1825493933 is about 42725.7993839788. The cubic root of 1825493933 is about 1222.1564326868.

The spelling of 1825493933 in words is "one billion, eight hundred twenty-five million, four hundred ninety-three thousand, nine hundred thirty-three".