4542523 has 12 divisors (see below), whose sum is σ = 4919488. Its totient is φ = 4189680.

The previous prime is 4542521. The next prime is 4542529. The reversal of 4542523 is 3252454.

It is not a de Polignac number, because 4542523 - 2¹ = 4542521 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 4⁶ + 5⁵ + 4⁹ + 2²¹ + 5⁷ + 2²¹ + 3⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4542521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16261 + ... + 16537.

Almost surely, 2^4542523 is an apocalyptic number.

4542523 is a deficient number, since it is larger than the sum of its proper divisors (376965).

4542523 is a wasteful number, since it uses less digits than its factorization.

4542523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 331 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 4542523 is about 2131.3195443199. The cubic root of 4542523 is about 165.6147620585.

Adding to 4542523 its reverse (3252454), we get a palindrome (7794977).

The spelling of 4542523 in words is "four million, five hundred forty-two thousand, five hundred twenty-three".