8725547 has 2 divisors, whose sum is σ = 8725548. Its totient is φ = 8725546.

The previous prime is 8725531. The next prime is 8725567. The reversal of 8725547 is 7455278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8725547 - 2⁴ = 8725531 is a prime.

It is a super-2 number, since 2×8725547² = 152270340898418, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 8725547.

It is not a weakly prime, because it can be changed into another prime (8725567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4362773 + 4362774.

It is an arithmetic number, because the mean of its divisors is an integer number (4362774).

Almost surely, 2^8725547 is an apocalyptic number.

8725547 is a deficient number, since it is larger than the sum of its proper divisors (1).

8725547 is an equidigital number, since it uses as much as digits as its factorization.

8725547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78400, while the sum is 38.

The square root of 8725547 is about 2953.9036883419. The cubic root of 8725547 is about 205.8721282013.

The spelling of 8725547 in words is "eight million, seven hundred twenty-five thousand, five hundred forty-seven".