4743521 has 4 divisors (see below), whose sum is σ = 4993200. Its totient is φ = 4493844.

The previous prime is 4743509. The next prime is 4743587. The reversal of 4743521 is 1253474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4743521 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4743821) 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, 124811 + ... + 124848.

It is an arithmetic number, because the mean of its divisors is an integer number (1248300).

Almost surely, 2^4743521 is an apocalyptic number.

It is an amenable number.

4743521 is a deficient number, since it is larger than the sum of its proper divisors (249679).

4743521 is a wasteful number, since it uses less digits than its factorization.

4743521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249678.

The product of its digits is 3360, while the sum is 26.

The square root of 4743521 is about 2177.9625800275. The cubic root of 4743521 is about 168.0223066563.

Adding to 4743521 its reverse (1253474), we get a palindrome (5996995).

The spelling of 4743521 in words is "four million, seven hundred forty-three thousand, five hundred twenty-one".