8725243 has 2 divisors, whose sum is σ = 8725244. Its totient is φ = 8725242.

The previous prime is 8725219. The next prime is 8725253. The reversal of 8725243 is 3425278.

8725243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8725243 is a prime.

It is a super-2 number, since 2×8725243² = 152259730818098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8725253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4362621 + 4362622.

It is an arithmetic number, because the mean of its divisors is an integer number (4362622).

Almost surely, 2^8725243 is an apocalyptic number.

8725243 is a deficient number, since it is larger than the sum of its proper divisors (1).

8725243 is an equidigital number, since it uses as much as digits as its factorization.

8725243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 31.

The square root of 8725243 is about 2953.8522305627. The cubic root of 8725243 is about 205.8697372966.

The spelling of 8725243 in words is "eight million, seven hundred twenty-five thousand, two hundred forty-three".