4548845531 has 2 divisors, whose sum is σ = 4548845532. Its totient is φ = 4548845530.

The previous prime is 4548845513. The next prime is 4548845591. The reversal of 4548845531 is 1355488454.

Together with previous prime (4548845513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4548845531 is a prime.

It is a super-2 number, since 2×4548845531² = 41383991329797343922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4548845501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2274422765 + 2274422766.

It is an arithmetic number, because the mean of its divisors is an integer number (2274422766).

Almost surely, 2^4548845531 is an apocalyptic number.

4548845531 is a deficient number, since it is larger than the sum of its proper divisors (1).

4548845531 is an equidigital number, since it uses as much as digits as its factorization.

4548845531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536000, while the sum is 47.

The square root of 4548845531 is about 67445.1297796957. The cubic root of 4548845531 is about 1656.9156365363.

It can be divided in two parts, 45488 and 45531, that added together give a palindrome (91019).

The spelling of 4548845531 in words is "four billion, five hundred forty-eight million, eight hundred forty-five thousand, five hundred thirty-one".