4521312 has 48 divisors (see below), whose sum is σ = 13189680. Its totient is φ = 1506816.

The previous prime is 4521311. The next prime is 4521313. The reversal of 4521312 is 2131254.

It is an interprime number because it is at equal distance from previous prime (4521311) and next prime (4521313).

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521311) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1753 + ... + 3480.

It is an arithmetic number, because the mean of its divisors is an integer number (274785).

Almost surely, 2^4521312 is an apocalyptic number.

It is an amenable number.

4521312 is an abundant number, since it is smaller than the sum of its proper divisors (8668368).

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

4521312 is a wasteful number, since it uses less digits than its factorization.

4521312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252 (or 5238 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 4521312 is about 2126.3376966042. The cubic root of 4521312 is about 165.3565841968.

Adding to 4521312 its reverse (2131254), we get a palindrome (6652566).

It can be divided in two parts, 452 and 1312, that added together give a square (1764 = 42²).

The spelling of 4521312 in words is "four million, five hundred twenty-one thousand, three hundred twelve".