71825933 has 2 divisors, whose sum is σ = 71825934. Its totient is φ = 71825932.

The previous prime is 71825927. The next prime is 71825981. The reversal of 71825933 is 33952817.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69272329 + 2553604 = 8323^2 + 1598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71825933 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 (71825903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35912966 + 35912967.

It is an arithmetic number, because the mean of its divisors is an integer number (35912967).

Almost surely, 2^71825933 is an apocalyptic number.

It is an amenable number.

71825933 is a deficient number, since it is larger than the sum of its proper divisors (1).

71825933 is an equidigital number, since it uses as much as digits as its factorization.

71825933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 71825933 is about 8475.0181710720. The cubic root of 71825933 is about 415.6812404193.

The spelling of 71825933 in words is "seventy-one million, eight hundred twenty-five thousand, nine hundred thirty-three".