4513536 has 72 divisors (see below), whose sum is σ = 13367760. Its totient is φ = 1502208.

The previous prime is 4513513. The next prime is 4513549. The reversal of 4513536 is 6353154.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6586 + ... + 7238.

Almost surely, 2^4513536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4513536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6683880).

4513536 is an abundant number, since it is smaller than the sum of its proper divisors (8854224).

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

4513536 is an equidigital number, since it uses as much as digits as its factorization.

4513536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 658 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 4513536 is about 2124.5084137277. The cubic root of 4513536 is about 165.2617333629.

The spelling of 4513536 in words is "four million, five hundred thirteen thousand, five hundred thirty-six".