8725931 has 2 divisors, whose sum is σ = 8725932. Its totient is φ = 8725930.

The previous prime is 8725877. The next prime is 8725949. The reversal of 8725931 is 1395278.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8725931 is a prime.

It is a super-2 number, since 2×8725931² = 152283743633522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8725891 and 8725900.

It is not a weakly prime, because it can be changed into another prime (8725961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4362965 + 4362966.

It is an arithmetic number, because the mean of its divisors is an integer number (4362966).

Almost surely, 2^8725931 is an apocalyptic number.

8725931 is a deficient number, since it is larger than the sum of its proper divisors (1).

8725931 is an equidigital number, since it uses as much as digits as its factorization.

8725931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 8725931 is about 2953.9686863608. The cubic root of 8725931 is about 205.8751482121.

The spelling of 8725931 in words is "eight million, seven hundred twenty-five thousand, nine hundred thirty-one".