4521534 has 8 divisors (see below), whose sum is σ = 9043080. Its totient is φ = 1507176.

The previous prime is 4521533. The next prime is 4521551. The reversal of 4521534 is 4351254.

It is a sphenic number, since it is the product of 3 distinct primes.

4521534 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376789 + ... + 376800.

It is an arithmetic number, because the mean of its divisors is an integer number (1130385).

Almost surely, 2^4521534 is an apocalyptic number.

4521534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4521534 is a wasteful number, since it uses less digits than its factorization.

4521534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753594.

The product of its digits is 2400, while the sum is 24.

The square root of 4521534 is about 2126.3898983959. The cubic root of 4521534 is about 165.3592905323.

Adding to 4521534 its reverse (4351254), we get a palindrome (8872788).

The spelling of 4521534 in words is "four million, five hundred twenty-one thousand, five hundred thirty-four".