4526540 has 24 divisors (see below), whose sum is σ = 9616320. Its totient is φ = 1789568.

The previous prime is 4526531. The next prime is 4526549. The reversal of 4526540 is 456254.

It is an interprime number because it is at equal distance from previous prime (4526531) and next prime (4526549).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4526549) 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, 509 + ... + 3051.

It is an arithmetic number, because the mean of its divisors is an integer number (400680).

Almost surely, 2^4526540 is an apocalyptic number.

It is an amenable number.

4526540 is an abundant number, since it is smaller than the sum of its proper divisors (5089780).

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

4526540 is a wasteful number, since it uses less digits than its factorization.

4526540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641 (or 2639 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4526540 is about 2127.5666852064. The cubic root of 4526540 is about 165.4202936713.

The spelling of 4526540 in words is "four million, five hundred twenty-six thousand, five hundred forty".