8537573 has 4 divisors (see below), whose sum is σ = 9313728. Its totient is φ = 7761420.

The previous prime is 8537563. The next prime is 8537603. The reversal of 8537573 is 3757358.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8537573 - 2⁸ = 8537317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8537533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388061 + ... + 388082.

It is an arithmetic number, because the mean of its divisors is an integer number (2328432).

Almost surely, 2^8537573 is an apocalyptic number.

It is an amenable number.

8537573 is a deficient number, since it is larger than the sum of its proper divisors (776155).

8537573 is a wasteful number, since it uses less digits than its factorization.

8537573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776154.

The product of its digits is 88200, while the sum is 38.

The square root of 8537573 is about 2921.9125585821. The cubic root of 8537573 is about 204.3830190409.

The spelling of 8537573 in words is "eight million, five hundred thirty-seven thousand, five hundred seventy-three".