4505531 has 4 divisors (see below), whose sum is σ = 4615464. Its totient is φ = 4395600.

The previous prime is 4505503. The next prime is 4505533. The reversal of 4505531 is 1355054.

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-4505531 is a prime.

It is a super-2 number, since 2×4505531² = 40599619183922, 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 = 4505497 and 4505506.

It is not an unprimeable number, because it can be changed into a prime (4505533) 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, 54905 + ... + 54986.

It is an arithmetic number, because the mean of its divisors is an integer number (1153866).

Almost surely, 2^4505531 is an apocalyptic number.

4505531 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4505531 is a deficient number, since it is larger than the sum of its proper divisors (109933).

4505531 is a wasteful number, since it uses less digits than its factorization.

4505531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109932.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 4505531 is about 2122.6236124193. The cubic root of 4505531 is about 165.1639753422.

The spelling of 4505531 in words is "four million, five hundred five thousand, five hundred thirty-one".