8529445 has 4 divisors (see below), whose sum is σ = 10235340. Its totient is φ = 6823552.

The previous prime is 8529439. The next prime is 8529473. The reversal of 8529445 is 5449258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5449258 = 2 ⋅2724629.

It can be written as a sum of positive squares in 2 ways, for example, as 1223236 + 7306209 = 1106^2 + 2703^2 .

It is a cyclic number.

It is not a de Polignac number, because 8529445 - 2⁵ = 8529413 is a prime.

8529445 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852940 + ... + 852949.

It is an arithmetic number, because the mean of its divisors is an integer number (2558835).

Almost surely, 2^8529445 is an apocalyptic number.

It is an amenable number.

8529445 is a deficient number, since it is larger than the sum of its proper divisors (1705895).

8529445 is a wasteful number, since it uses less digits than its factorization.

8529445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705894.

The product of its digits is 57600, while the sum is 37.

The square root of 8529445 is about 2920.5213575661. The cubic root of 8529445 is about 204.3181390633.

The spelling of 8529445 in words is "eight million, five hundred twenty-nine thousand, four hundred forty-five".