8542465 has 4 divisors (see below), whose sum is σ = 10250964. Its totient is φ = 6833968.

The previous prime is 8542463. The next prime is 8542481. The reversal of 8542465 is 5642458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5642458 = 2 ⋅2821229.

It can be written as a sum of positive squares in 2 ways, for example, as 2666689 + 5875776 = 1633^2 + 2424^2 .

It is a cyclic number.

It is not a de Polignac number, because 8542465 - 2¹ = 8542463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8542465.

It is not an unprimeable number, because it can be changed into a prime (8542463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854242 + ... + 854251.

It is an arithmetic number, because the mean of its divisors is an integer number (2562741).

Almost surely, 2^8542465 is an apocalyptic number.

It is an amenable number.

8542465 is a deficient number, since it is larger than the sum of its proper divisors (1708499).

8542465 is a wasteful number, since it uses less digits than its factorization.

8542465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708498.

The product of its digits is 38400, while the sum is 34.

The square root of 8542465 is about 2922.7495616286. The cubic root of 8542465 is about 204.4220485098.

The spelling of 8542465 in words is "eight million, five hundred forty-two thousand, four hundred sixty-five".