4529540 has 24 divisors (see below), whose sum is σ = 9770712. Its totient is φ = 1762560.

The previous prime is 4529533. The next prime is 4529549. The reversal of 4529540 is 459254.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 473344 + 4056196 = 688^2 + 2014^2 .

It is a super-2 number, since 2×4529540² = 41033465223200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4529549) 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, 2321 + ... + 3800.

It is an arithmetic number, because the mean of its divisors is an integer number (407113).

Almost surely, 2^4529540 is an apocalyptic number.

It is an amenable number.

4529540 is an abundant number, since it is smaller than the sum of its proper divisors (5241172).

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

4529540 is a wasteful number, since it uses less digits than its factorization.

4529540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167 (or 6165 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 4529540 is about 2128.2715992091. The cubic root of 4529540 is about 165.4568301346.

The spelling of 4529540 in words is "four million, five hundred twenty-nine thousand, five hundred forty".