4042553 has 4 divisors (see below), whose sum is σ = 4047360. Its totient is φ = 4037748.

The previous prime is 4042547. The next prime is 4042561. The reversal of 4042553 is 3552404.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4042553 - 2¹² = 4038457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4042523) 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, 773 + ... + 2946.

It is an arithmetic number, because the mean of its divisors is an integer number (1011840).

Almost surely, 2^4042553 is an apocalyptic number.

It is an amenable number.

4042553 is a deficient number, since it is larger than the sum of its proper divisors (4807).

4042553 is a wasteful number, since it uses less digits than its factorization.

4042553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 4042553 is about 2010.6101064105. The cubic root of 4042553 is about 159.3010264421.

Adding to 4042553 its reverse (3552404), we get a palindrome (7594957).

The spelling of 4042553 in words is "four million, forty-two thousand, five hundred fifty-three".