8540573 has 2 divisors, whose sum is σ = 8540574. Its totient is φ = 8540572.

The previous prime is 8540569. The next prime is 8540621. The reversal of 8540573 is 3750458.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8508889 + 31684 = 2917^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 8540573 - 2² = 8540569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8540503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4270286 + 4270287.

It is an arithmetic number, because the mean of its divisors is an integer number (4270287).

Almost surely, 2^8540573 is an apocalyptic number.

It is an amenable number.

8540573 is a deficient number, since it is larger than the sum of its proper divisors (1).

8540573 is an equidigital number, since it uses as much as digits as its factorization.

8540573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 8540573 is about 2922.4258758778. The cubic root of 8540573 is about 204.4069554786.

The spelling of 8540573 in words is "eight million, five hundred forty thousand, five hundred seventy-three".