4531454531 has 4 divisors (see below), whose sum is σ = 4541683992. Its totient is φ = 4521225072.

The previous prime is 4531454489. The next prime is 4531454539. The reversal of 4531454531 is 1354541354.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4531454531 is a prime.

It is a super-2 number, since 2×4531454531² = 41068160333040859922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4531454491 and 4531454500.

It is not an unprimeable number, because it can be changed into a prime (4531454539) 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, 5114066 + ... + 5114951.

It is an arithmetic number, because the mean of its divisors is an integer number (1135420998).

Almost surely, 2^4531454531 is an apocalyptic number.

4531454531 is a deficient number, since it is larger than the sum of its proper divisors (10229461).

4531454531 is a wasteful number, since it uses less digits than its factorization.

4531454531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10229460.

The product of its digits is 72000, while the sum is 35.

The square root of 4531454531 is about 67316.0792901666. The cubic root of 4531454531 is about 1654.8013843305.

Adding to 4531454531 its reverse (1354541354), we get a palindrome (5885995885).

The spelling of 4531454531 in words is "four billion, five hundred thirty-one million, four hundred fifty-four thousand, five hundred thirty-one".