8531465 has 4 divisors (see below), whose sum is σ = 10237764. Its totient is φ = 6825168.

The previous prime is 8531461. The next prime is 8531473. The reversal of 8531465 is 5641358.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5641358 = 2 ⋅2820679.

It can be written as a sum of positive squares in 2 ways, for example, as 1646089 + 6885376 = 1283^2 + 2624^2 .

It is a cyclic number.

It is not a de Polignac number, because 8531465 - 2² = 8531461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8531461) 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, 853142 + ... + 853151.

It is an arithmetic number, because the mean of its divisors is an integer number (2559441).

Almost surely, 2^8531465 is an apocalyptic number.

It is an amenable number.

8531465 is a deficient number, since it is larger than the sum of its proper divisors (1706299).

8531465 is a wasteful number, since it uses less digits than its factorization.

8531465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706298.

The product of its digits is 14400, while the sum is 32.

The square root of 8531465 is about 2920.8671657575. The cubic root of 8531465 is about 204.3342671179.

The spelling of 8531465 in words is "eight million, five hundred thirty-one thousand, four hundred sixty-five".