4542538 has 32 divisors (see below), whose sum is σ = 9152640. Its totient is φ = 1632960.

The previous prime is 4542529. The next prime is 4542547. The reversal of 4542538 is 8352454.

It is an interprime number because it is at equal distance from previous prime (4542529) and next prime (4542547).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868 + ... + 3136.

It is an arithmetic number, because the mean of its divisors is an integer number (286020).

Almost surely, 2^4542538 is an apocalyptic number.

4542538 is an abundant number, since it is smaller than the sum of its proper divisors (4610102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4542538 is a wasteful number, since it uses less digits than its factorization.

4542538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302.

The product of its digits is 19200, while the sum is 31.

The square root of 4542538 is about 2131.3230632638. The cubic root of 4542538 is about 165.6149443521.

It can be divided in two parts, 454 and 2538, that added together give a palindrome (2992).

The spelling of 4542538 in words is "four million, five hundred forty-two thousand, five hundred thirty-eight".