4542619 has 4 divisors (see below), whose sum is σ = 4564360. Its totient is φ = 4520880.

The previous prime is 4542611. The next prime is 4542631. The reversal of 4542619 is 9162454.

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 4542619 - 2³ = 4542611 is a prime.

It is a super-2 number, since 2×4542619² = 41270774758322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4542611) 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, 10554 + ... + 10975.

It is an arithmetic number, because the mean of its divisors is an integer number (1141090).

Almost surely, 2^4542619 is an apocalyptic number.

4542619 is a deficient number, since it is larger than the sum of its proper divisors (21741).

4542619 is a wasteful number, since it uses less digits than its factorization.

4542619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21740.

The product of its digits is 8640, while the sum is 31.

The square root of 4542619 is about 2131.3420654602. The cubic root of 4542619 is about 165.6159287307.

The spelling of 4542619 in words is "four million, five hundred forty-two thousand, six hundred nineteen".