82725941 has 2 divisors, whose sum is σ = 82725942. Its totient is φ = 82725940.

The previous prime is 82725889. The next prime is 82725947. The reversal of 82725941 is 14952728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82264900 + 461041 = 9070^2 + 679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82725941 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 82725895 and 82725904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82725947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41362970 + 41362971.

It is an arithmetic number, because the mean of its divisors is an integer number (41362971).

Almost surely, 2^82725941 is an apocalyptic number.

It is an amenable number.

82725941 is a deficient number, since it is larger than the sum of its proper divisors (1).

82725941 is an equidigital number, since it uses as much as digits as its factorization.

82725941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 82725941 is about 9095.3802009592. The cubic root of 82725941 is about 435.7264314348.

The spelling of 82725941 in words is "eighty-two million, seven hundred twenty-five thousand, nine hundred forty-one".