4535540 has 12 divisors (see below), whose sum is σ = 9524676. Its totient is φ = 1814208.

The previous prime is 4535539. The next prime is 4535561. The reversal of 4535540 is 455354.

It can be written as a sum of positive squares in 2 ways, for example, as 559504 + 3976036 = 748^2 + 1994^2 .

It is a super-2 number, since 2×4535540² = 41142246183200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 113369 + ... + 113408.

It is an arithmetic number, because the mean of its divisors is an integer number (793723).

Almost surely, 2^4535540 is an apocalyptic number.

It is an amenable number.

4535540 is an abundant number, since it is smaller than the sum of its proper divisors (4989136).

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

4535540 is a wasteful number, since it uses less digits than its factorization.

4535540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226786 (or 226784 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 4535540 is about 2129.6807272453. The cubic root of 4535540 is about 165.5298546921.

The spelling of 4535540 in words is "four million, five hundred thirty-five thousand, five hundred forty".