4542431 has 8 divisors (see below), whose sum is σ = 4856544. Its totient is φ = 4238080.

The previous prime is 4542407. The next prime is 4542437. The reversal of 4542431 is 1342454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4542431 is a prime.

It is a super-2 number, since 2×4542431² = 41267358779522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4542397 and 4542406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1466 + ... + 3351.

It is an arithmetic number, because the mean of its divisors is an integer number (607068).

Almost surely, 2^4542431 is an apocalyptic number.

4542431 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4542431 is a deficient number, since it is larger than the sum of its proper divisors (314113).

4542431 is a wasteful number, since it uses less digits than its factorization.

4542431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4881.

The product of its digits is 1920, while the sum is 23.

The square root of 4542431 is about 2131.2979613372. The cubic root of 4542431 is about 165.6136439823.

Adding to 4542431 its sum of digits (23), we get a palindrome (4542454).

Adding to 4542431 its reverse (1342454), we get a palindrome (5884885).

The spelling of 4542431 in words is "four million, five hundred forty-two thousand, four hundred thirty-one".