8542619 has 4 divisors (see below), whose sum is σ = 9045144. Its totient is φ = 8040096.

The previous prime is 8542603. The next prime is 8542621. The reversal of 8542619 is 9162458.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8542619 - 2⁴ = 8542603 is a prime.

It is a super-2 number, since 2×8542619² = 145952678758322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8542519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251237 + ... + 251270.

It is an arithmetic number, because the mean of its divisors is an integer number (2261286).

Almost surely, 2^8542619 is an apocalyptic number.

8542619 is a deficient number, since it is larger than the sum of its proper divisors (502525).

8542619 is a wasteful number, since it uses less digits than its factorization.

8542619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502524.

The product of its digits is 17280, while the sum is 35.

The square root of 8542619 is about 2922.7759065655. The cubic root of 8542619 is about 204.4232769143.

The spelling of 8542619 in words is "eight million, five hundred forty-two thousand, six hundred nineteen".